Unit1～14 期末单元语法填空专练 2025-2026学年人教版(2012)英语九年级全册

人教版九年级英语期末14个单元语法填空专练 Unit 1 How can we become good learners? Learning English well is a common goal for most students. Here are some practical tips to achieve it. First, try to speak English as much as possible, even if you make 1. ______ (mistake) sometimes. Don't be afraid 2. ______ being laughed at by others. Second, listening to English news or songs daily can improve your listening skills, and you should pay attention 3. ______ the pronunciation and intonation. Third, keeping a diary in English is a great way to practice writing, where you can use the new words 4. ______ you've learned in class. Fourth, joining an English club is necessary 5. ______ you can meet peers who love English and share learning methods 6. ______ you. Remember that practice makes perfect—only by working hard 7. ______ you make great progress. If you stick to these tips, you 8. ______ (sure) become a good learner. When you have problems, don't forget to ask your teacher for help 9. ______ you need it. Finally, enjoy 10. ______ process of learning English, as it's a lifelong journey. Unit 2 I think that mooncakes are delicious! The Mid-Autumn Festival is one of China's most important traditional festivals. It usually falls 1. ______ the 15th day of the 8th lunar month. On this day, families get together 2. ______ have a big dinner, and mooncakes are the must-eat food. Mooncakes are round3. ______ they symbolize family reunion. Many people prefer mooncakes 4. ______ sweet fillings like red bean paste. In the evening, people go outside to admire 5. ______ full moon, believing it's the brightest and roundest on this day. Some families also tell stories about Chang'e, who is said 6. ______ (live) on the moon with a jade rabbit. The festival is not only a time for family gathering but also a chance 7. ______ (express) love for relatives. No matter how busy they are, people will try 8. ______ (come) back home to celebrate. This tradition 9. ______ (pass) down for hundreds of years and will continue to exist 10. ______ the future. Unit 3 Could you please tell me where the restrooms are? When traveling in a new city, knowing how to ask for directions politely is important. For example, if you want to find restrooms, you can say, "Could you please tell me 1. ______ the restrooms are?" instead of shouting "Where are the restrooms?" Polite requests make people more willing 2. ______ (help) you. When asking for a restaurant, you might say, "Excuse me, do you know3. ______ there's a good restaurant nearby?" If you need directions, add, "Could you tell me how 4. ______ (get) there?" Remember 5. ______ (use) words like "please" and "thank you"—they make a big difference. If you don't understand the reply, ask, "Could you repeat that 6. ______ (slow)?" Some people may need time to think, so be patient7. ______ they reply. Polite language helps you make a good impression 8. ______ local people. Once, my cousin failed to ask directions politely and waited 9. ______ a long time for help. So, learning polite requests can make your trip 10. ______ (enjoy) and smooth. Unit 4 I used to be afraid of the dark. People change a lot as they grow up. I used to be afraid of the dark and would ask my parents1. ______ (stay) with me until I fell asleep. I also feared speaking in public—when the teacher asked me questions, my face 2. ______ (turn) red and I couldn't say a word. My English teacher noticed this and helped me 3. ______ encouraging me to join the English speech contest. At first, I refused because I was too nervous, but she said it was a good chance 4. ______ (challenge) myself. With her help, I practiced 5. ______ (speak) in front of the mirror every day. Finally, I won the third prize, which made me 6. ______ (confident) than before. Now, I'm no longer afraid of public speaking and can walk alone in the dark 7. ______ my parents are away. I realize that 8. ______ (overcome) fears isn't easy, but if you face them bravely, you 9. ______ (succeed). Everyone has fears, but the courage to change is 10. ______ most important thing. Unit 5 What are the shirts made of? Have you ever wondered what the things around us are made of? Your shirt may be made 1. ______ cotton, which is soft and comfortable. The desk in your classroom is probably made 2. ______ wood, as wood is hard and strong. Window glass is made of sand, and it's widely used in buildings. Some products are made 3. ______ hand, while others are made by machines. Hand-made products, like pottery, are usually more expensive because they take 4. ______ (many) time and effort. Skilled workers with years of experience make these hand-made items, which are often considered 5. ______ works of art. In some places, hand-made products are part of local culture and sold to tourists 6. ______ souvenirs. When shopping, you can check the label to know7. ______ a product is made of and where it's produced. Knowing about materials helps you make better choices. For example, if you want a durable bag, you can choose one made 8. ______ leather. Remember, different materials have different uses, and they make 9. ______ (we) life more convenient. Next time, take a moment to notice 10. ______ the things around you are made of! Unit 6 When was it invented? Inventions have greatly changed our lives. Have you ever thought about when some key inventions 1. ______ (invent)? The telephone, for example, was invented by Alexander Graham Bell 2. ______ 1876. Before that, people communicated by letters, which was very slow. The telephone made communication 3. ______ (easy) and faster. Another great invention is the light bulb, created by Thomas Edison. He tried many materials 4. ______ he found the right one for the bulb. The light bulb allowed people to work and study at night, 5. ______ changed daily life greatly. The computer, invented in 1946, is also a game-changer. At first, it was big and expensive, but now it's small and affordable. 6. ______ it has become an important tool in people's life. Computers are used in almost every field, 7. ______ education and medicine. Inventions usually come from solving problems—when people face difficulties, they try to find ways 8. ______ (overcome) them, which leads to new inventions. We should respect inventors, 9. ______ hard work makes the world better. What's your favorite invention? And why do you think it's 10. ______ (important) than others? Unit 7 Teenagers should be allowed to choose their own clothes. As teenagers grow up, they want more independence. Many think they should be allowed 1. ______ (choose) their own clothes, as this shows their personality. But some parents disagree, saying teenagers are too young 2. ______ (make) good choices. They also worry some clothes aren't suitable 3. ______ school. In my opinion, teenagers should have the right to choose clothes, 4. ______ they should listen to parents' advice. Clothes are not just for keeping warm but also for showing style. For example, we must wear school uniforms at school, but on weekends, we can wear 5. ______ we like. Learning to make decisions on small things like clothes helps develop independence. Parents should trust their children and give them more chances 6. ______ (decide). This way, teenagers learn to be responsible 7. ______ their choices. Once, my classmate argued with her mom about clothes and felt sad for days. Later, they talked and understood each other—her mom allowed her to choose clothes 8. ______ long as they were proper. This experience tells us communication is key. Do you think teenagers 9. ______ (allow) to choose their own clothes? And what would you do if your parents disagree 10. ______ you? Unit 8 It must belong to Carla. One day, I found a schoolbag in the school hallway and tried to find its owner. First, I opened it and saw a math textbook, a notebook, a pen, and a pink hair band. The textbook had a faint name, but I couldn't read it. The pink hair band made me think the owner might be a girl, so I guessed it must belong 1. ______ one of my female classmates. I noticed the pen had a cartoon character on it—Carla, my classmate, likes pink and has 2. ______ same pen. So I thought the bag was 3. ______ (she). I took it to her classroom, and she was very happy. She said she'd lost it that morning and 4. ______ (look) for it everywhere. She thanked me, and I felt proud 5. ______ helping her. This experience taught me that paying attention 6. ______ small details helps solve problems. Later, I told my teacher about it, and she said I did a good job. She also told us that when we find lost things, we should try our best 7. ______ (return) them. Once, my teacher found a wallet and waited for the owner 8. ______ an hour. The owner was very grateful and gave her a thank-you card. So, helping others not only makes them happy but also makes 9. ______ (we) feel good. Next time you find something lost, will you try 10. ______ (find) its owner? Unit 9 I like music that I can dance to. Different people have different tastes in music. Some like music 1. ______ they can dance to, while others prefer quiet and peaceful music. I like music with great lyrics, as good lyrics can touch 2. ______ (people) hearts. When I'm tired or sad, listening to music makes me 3. ______ (feel) better. My favorite singer is Jay Chou, who sings songs with beautiful lyrics and wonderful melodies. His songs are popular 4. ______ young people. I also listen to English songs, which not only relax me but also help 5. ______ (I) improve my English. I usually listen to them while doing homework or walking to school. Some English songs have simple words and slow rhythms, 6. ______ are easy to understand. I often sing along, which helps practice pronunciation. Music is an important part of life—it brings happiness and comfort. Last month, I went to a music concert with my friend. The music was so beautiful that I almost cried. I realized that music can connect people 7. ______ different backgrounds. No matter what kind of music you like, it's important to enjoy 8. ______ and let it enrich your life. My friend used to dislike classical music, but after the concert, she started to appreciate it. She said classical music is elegant and can make her 9. ______ (calm) down. So, don't judge a type of music before you understand it—try to listen to different kinds, and you 10. ______ (find) something you like. Unit 10 You're supposed to shake hands. When visiting a foreign country, knowing local customs and manners is important. For example, in China, you're supposed to shake hands 1. ______ you meet someone for the first time. But in Japan and South Korea, people usually bow 2. ______ greet each other. In some Western countries, friends and relatives often hug or kiss on the cheek 3. ______ meeting. If you don't know these customs, you may make mistakes. Once, my uncle went to America on business. He bowed to his American partner when they first met, 4. ______ surprised the partner. Later, he learned Americans are supposed to shake hands 5. ______ first meetings. Table manners also differ—In China, it's polite to let elders start eating first, but in some Western countries, people start 6. ______ soon as the food is served. Knowing different customs helps avoid misunderstandings and make a good impression 7. ______ local people. Before traveling, you should learn about the country's customs. Last year, my cousin went to Australia. She learned that it's impolite 8. ______ be late for appointments, so she always arrived on time. She also brought small gifts when invited to others' homes, 9. ______ made the hosts happy. So, learning about foreign customs is not only interesting but also 10. ______ (help) for communication. Unit 11 Sad movies make me cry. Movies have a strong influence on our emotions. Different types of movies make us feel different ways—sad movies usually make me 1. ______ (cry), while comedies make me laugh. Last week, I watched a sad movie about a mother and her sick son. The mother tried her best 2. ______ (save) him, but he died in the end. The movie was so touching that I couldn't help 3. ______ (cry). Action movies are exciting and make my heart beat fast. Some movies also make me think deeply—for example, environmental movies make me realize the importance 4. ______ protecting the earth. Movies are not just entertainment but also a way to learn about the world. They show different cultures, lifestyles, and ideas. I like watching movies because each time I can experience new feelings. The environment around us also affects our mood—clean and bright rooms make us comfortable, 5. ______ dirty and dark ones make us sad. Colors matter too: red makes us excited, 6. ______ blue makes us calm. Soft music makes us relaxed, while loud music makes us nervous. The smell of flowers makes us happy, and garbage makes us sick. It's important to keep our environment clean 7. ______ tidy. We can use colors and music 8. ______ improve our mood. A good mood helps us work and study 9. ______ (efficient). So, watch a favorite movie or stay in a nice room when you're down—they 10. ______ (cheer) you up. Unit 12 Life is full of the unexpected. Life is full of unexpected things—good or bad can happen suddenly. Last Monday, I had an unexpected experience. I woke up late because my alarm clock didn't go 1. ______. I hurried to get ready, brushed my teeth, washed my face, and ran out 2. ______ the house. When I got to the bus stop, I found I'd forgotten my schoolbag. I had to run back home 3. ______ get it. By the time I returned to the bus stop, the bus 4. ______ (leave). I decided to ride my bike to school, but it broke down on the way. I had to push it 5. ______ school. When I arrived, the first class 6. ______ (be) on for 20 minutes. I felt so embarrassed and told the teacher what happened. She didn't blame me but told me to be more careful next time. Later, my classmate lent me her notes 7. ______ I could catch up. That day taught me that we should prepare well 8. ______ things in advance. Unexpected things can happen, but we should stay calm and find ways to solve problems. Once, my mom missed her train, but she didn't panic—she bought another ticket and called my dad to tell him. Life is full of surprises, and some unexpected moments even become good memories. What's 9. ______ most unexpected thing that has happened to you? How did you deal 10. ______ it? Unit 13 We're trying to save the earth! The earth is our home, but it's facing many environmental problems. Pollution is one of the biggest issues—air pollution, water pollution, and land pollution are harming our planet. We must take action 1. ______ (save) the earth. First, we can reduce the use of plastic bags and use cloth bags instead. Plastic takes hundreds of years 2. ______ (break) down and pollutes the land and oceans. Second, we should save water—turn off the tap when brushing teeth and reuse water 3. ______ watering plants. Third, we can save energy by turning off lights when leaving rooms and using energy-saving appliances. Fourth, planting more trees is helpful because trees absorb carbon dioxide and produce oxygen. Last month, our class organized a tree-planting activity 4. ______ the countryside. We worked hard and planted 50 trees. The teacher told us that every small action counts. Some factories pour waste water into rivers, 5. ______ pollutes the water and kills fish. We should ask the government to stop these factories 6. ______ polluting. We can also spread environmental knowledge to our families and friends, asking them 7. ______ join us. Protecting the earth is everyone's responsibility. If we don't act now, the earth will become unlivable 8. ______ future generations. Remember, we have only one earth. Let's work together 9. ______ make it a better place to live. What will you do 10. ______ protect the earth? Unit 14 I remember meeting all of you in Grade 7. Time flies! I can't believe we're about to graduate from junior high. I remember meeting all of you in Grade 7—we were all young and nervous 1. ______ the first day of school. My first memory is of our English teacher, who greeted us with a smile and made us feel welcome. I used to be shy and afraid 2. ______ speak in class, but with her encouragement, I started to participate. Over the years, we've studied together, played together, and helped each other. I remember 3. ______ (win) the basketball match in Grade 8—we celebrated loudly and hugged each other. I also remember the time I forgot my textbook, and my deskmate shared 4. ______ (her) with me. These memories are precious and will stay with me forever. I'm grateful 5. ______ my teachers and classmates. Teachers have taught us not only knowledge but also how to be good people. Classmates have brought me happiness and support. As we move on to senior high, we'll face new challenges, but I believe we'll stay in touch. I hope everyone 6. ______ (achieve) their dreams in the future. Before graduation, let's have a party 7. ______ celebrate our friendship. We can take photos, share stories, and give gifts to each other. I know we'll miss this time, but new adventures are waiting for us. Remember 8. ______ (be) kind, hard-working, and brave. No matter where we go, we'll always be friends. Thank you, junior high, for 9. ______ wonderful years! And thank you, everyone, for making my junior high life 10. ______ (meaningful). Unit 1 答案及解析 1. mistakes - 固定搭配：make mistakes（犯错误），mistake为可数名词，此处用复数表泛指 2. of - 固定短语：be afraid of doing sth.（害怕做某事） 3. to - 固定短语：pay attention to（注意），to为介词，后接名词/动名词 4. that/which - 定语从句引导词，先行词为the new words（物），从句中缺宾语，可用that或which 5. because - 连词，表原因，说明加入英语俱乐部的原因是能遇到志同道合的同伴 6. with - 固定短语：share sth. with sb.（和某人分享某物） 7. can/will - 情态动词/助动词，此处表“只有努力才能/将会取得进步”，符合语境 8. surely - 副词，修饰动词become，sure的副词形式为surely（肯定地） 9. when - 连词，引导时间状语从句，表“当你需要帮助时” 10. the - 定冠词，特指“学习英语的过程”，process后有of介词短语限定，需加the 1. mistakes 2. of 3. to 4. that/which 5. because 6. with 7. can/will 8. surely 9. when 10. the Unit 2 答案及解析 1. on - 介词，具体到某一天用on，the 15th day of the 8th lunar month是具体日期 2. to - 动词不定式作目的状语，表“聚在一起是为了吃一顿丰盛的晚餐” 3. because - 连词，表原因，解释月饼是圆形的原因是象征家庭团圆 4. with - 介词，表“带有”，此处指“带有甜馅的月饼” 5. the - 定冠词，特指“满月”，独一无二的事物前加the 6. to live - 固定句型：be said to do sth.（据说做某事） 7. to express - 名词chance的后置定语，用动词不定式to express（表达） 8. to come - 固定短语：try to do sth.（努力做某事），表“努力回家庆祝” 9. has been passed - 现在完成时的被动语态，pass down（传承），传统是被传承的，且从过去持续到现在，用has been + 过去分词 10. in - 固定短语：in the future（在未来） 1. on 2. to 3. because 4. with 5. the 6. to live 7. to express 8. to come 9. has been passed 10. in Unit 3 答案及解析 1. where - 宾语从句引导词，从句中缺地点状语，用where表“洗手间在哪里” 2. to help - 固定短语：be willing to do sth.（愿意做某事） 3. if/whether - 宾语从句引导词，表“是否”，此处询问附近是否有好的餐厅 4. to get - 固定句型：how to do sth.（如何做某事），作tell的宾语 5. to use - 固定短语：remember to do sth.（记得去做某事），表“记得使用礼貌用语” 6. slowly - 副词，修饰动词repeat，slow的副词形式为slowly（慢慢地） 7. when - 连词，引导时间状语从句，表“当他们思考回复时要耐心” 8. on - 固定短语：make a good impression on sb.（给某人留下好印象） 9. for - 介词，for + 一段时间，表“等待了很长时间” 10. enjoyable - 形容词，作make的宾语补足语，enjoy的形容词形式为enjoyable（愉快的） 1. where 2. to help 3. if/whether 4. to get 5. to use 6. slowly 7. when 8. on 9. for 10. enjoyable Unit 4 答案及解析 1. to stay - 固定短语：ask sb. to do sth.（要求某人做某事），表“要求父母陪在身边” 2. would turn - 过去将来时，此处描述过去的习惯性动作，“过去老师提问时，脸会变红” 3. by - 介词，表方式，“通过鼓励我参加英语演讲比赛的方式帮助我” 4. to challenge - 名词chance的后置定语，用动词不定式to challenge（挑战），表“挑战自己的机会” 5. speaking - 固定短语：practice doing sth.（练习做某事），practice后接动名词 6. more confident - 形容词比较级，than是比较级的标志，confident的比较级为more confident（更自信的） 7. when - 连词，引导时间状语从句，表“当父母不在家时” 8. overcoming - 动名词作主语，overcome（克服）的动名词形式为overcoming 9. will succeed - 一般将来时，if引导的条件状语从句遵循“主将从现”，从句用一般现在时，主句用将来时 10. the - 定冠词，形容词最高级前加the，most important是最高级形式 1. to stay 2. would turn 3. by 4. to challenge 5. speaking 6. more confident 7. when 8. overcoming 9. will succeed 10. the Unit 5 答案及解析 1. of - 固定短语：be made of（由……制成），能看出原材料，衬衫由棉花制成可直接看出 2. of - 固定短语：be made of（由……制成），桌子由木头制成可看出原材料 3. by - 固定短语：be made by hand（手工制作），by后接动作执行者或制作方式 4. more - 形容词比较级，than隐含在语境中，手工制品比机器制品花费更多时间和精力 5. as - 固定短语：be considered as（被认为是），表“被当作艺术品” 6. as - 介词，表“作为”，此处指“作为纪念品卖给游客” 7. what - 宾语从句引导词，从句中缺of的宾语，用what表“产品由什么制成” 8. of - 固定短语：be made of（由……制成），皮包由皮革制成可看出原材料 9. our - 形容词性物主代词，修饰名词life，we的形容词性物主代词为our（我们的） 10. what - 宾语从句引导词，从句中缺of的宾语，用what表“你周围的东西由什么制成” 1. of 2. of 3. by 4. more 5. as 6. as 7. what 8. of 9. our 10. what Unit 6 答案及解析 1. were invented - 一般过去时的被动语态，inventions（发明）是被发明的，主语为复数，时态为过去时，用were + 过去分词 2. in - 介词，年份前用in，1876是年份 3. easier - 形容词比较级，and连接并列成分，faster是比较级，故easy也用比较级easier（更容易的） 4. until - 连词，表“直到……才”，此处指“他尝试了很多材料直到找到合适的” 5. which - 非限制性定语从句引导词，指代前面整个句子的内容，表“灯泡让人们能在晚上工作学习这件事极大地改变了日常生活” 6. And - 连词，表承接，连接前后两个句子，说明电脑现在的状态及作用 7. like - 介词，表“例如、像”，此处举例说明电脑应用的领域 8. to overcome - 固定短语：find ways to do sth.（找到做某事的方法） 9. whose - 定语从句引导词，先行词为inventors（人），从句中缺hard work的定语，用whose表“发明家的努力” 10. more important - 形容词比较级，than是比较级的标志，important的比较级为more important（更重要的） 1. were invented 2. in 3. easier 4. until 5. which 6. (注：原文6空遗漏，补充为6. and) 7. like 8. to overcome 9. whose 10. more important Unit 7 答案及解析 1. to choose - 固定短语：be allowed to do sth.（被允许做某事） 2. to make - 固定句型：too + 形容词 + to do sth.（太……而不能做某事），表“太年轻而不能做出好选择” 3. for - 固定短语：be suitable for（适合……），此处指“有些衣服不适合学校” 4. but - 连词，表转折，说明“青少年应该有选择权，但也要听父母的建议” 5. what - 宾语从句引导词，从句中缺wear的宾语，用what表“穿我们喜欢的衣服” 6. to decide - 名词chances的后置定语，用动词不定式to decide（做决定） 7. for - 固定短语：be responsible for（对……负责），表“对自己的选择负责” 8. as - 固定短语：as long as（只要），引导条件状语从句，表“只要衣服合适就可以选” 9. should be allowed - 情态动词的被动语态，表“应该被允许”，此处是询问观点，用should表建议 10. with - 固定短语：disagree with sb.（不同意某人的观点） 1. to choose 2. to make 3. for 4. but 5. what 6. to decide 7. for 8. as 9. should be allowed 10. with Unit 8 答案及解析 1. to - 固定短语：belong to（属于），to为介词，后接名词/代词 2. the - 固定短语：the same（相同的），same前必须加the 3. hers - 名词性物主代词，相当于her schoolbag，表“这个包是她的” 4. had been looking - 过去完成进行时，表“在我找到包之前，她一直在找”，动作发生在过去的过去，且持续了一段时间 5. of - 固定短语：be proud of doing sth.（为做某事而自豪） 6. to - 固定短语：pay attention to（注意），to为介词，后接名词/动名词 7. to return - 固定短语：try one's best to do sth.（尽某人最大努力做某事） 8. for - 介词，for + 一段时间，表“等待了一个小时” 9. us - 人称代词宾格，作make的宾语，we的宾格形式为us（我们） 10. to find - 固定短语：try to do sth.（努力做某事），表“努力找到失主” 1. to 2. the 3. hers 4. had been looking 5. of 6. to 7. to return 8. for 9. us 10. to find Unit 9 答案及解析 1. that/which - 定语从句引导词，先行词为music（物），从句中缺宾语，可用that或which 2. people's - 名词所有格，修饰名词hearts，表“人们的心灵” 3. feel - 固定句型：make sb. do sth.（使某人做某事），省略to的动词不定式作宾语补足语 4. among - 介词，表“在……之中”，指在年轻人这个群体中受欢迎 5. me - 人称代词宾格，作help的宾语，I的宾格形式为me（我） 6. which - 非限制性定语从句引导词，指代前面“some English songs have simple words and slow rhythms”这件事 7. from - 介词，表“来自”，此处指“连接来自不同背景的人” 8. it - 代词，指代前面提到的music，避免重复 9. calm - 形容词，固定句型：make sb. + 形容词（使某人处于某种状态），calm（平静的）作宾语补足语 10. will find - 一般将来时，and连接并列句，前面是祈使句表条件，后面用将来时表结果 1. that/which 2. people's 3. feel 4. among 5. me 6. which 7. from 8. it 9. calm 10. will find Unit 10 答案及解析 1. when - 连词，引导时间状语从句，表“当你第一次见到某人时” 2. to - 动词不定式作目的状语，表“鞠躬是为了问候彼此” 3. when - 连词，引导时间状语从句，表“见面时拥抱或亲吻脸颊” 4. which - 非限制性定语从句引导词，指代前面“他向美国伙伴鞠躬”这件事 5. at - 介词，固定短语：at first meetings（在第一次见面时） 6. as - 固定短语：as soon as（一……就……），引导时间状语从句 7. on - 固定短语：make a good impression on sb.（给某人留下好印象） 8. to - 固定句型：it's impolite to do sth.（做某事是不礼貌的），it为形式主语，真正主语是后面的动词不定式 9. which - 非限制性定语从句引导词，指代前面“她带小礼物去别人家”这件事 10. helpful - 形容词，作表语，help的形容词形式为helpful（有帮助的） 1. when 2. to 3. when 4. which 5. at 6. as 7. on 8. to 9. which 10. helpful Unit 11 答案及解析 1. cry - 固定句型：make sb. do sth.（使某人做某事），省略to的动词不定式作宾语补足语 2. to save - 固定短语：try one's best to do sth.（尽某人最大努力做某事） 3. crying - 固定短语：can't help doing sth.（忍不住做某事），help此处意为“避免”，后接动名词 4. of - 固定短语：the importance of doing sth.（做某事的重要性），of为介词，后接动名词 5. while - 连词，表对比，意为“而”，对比干净明亮的房间和肮脏黑暗的房间的不同影响 6. while - 连词，表对比，意为“而”，对比红色和蓝色对情绪的不同影响 7. and - 连词，连接并列形容词clean和tidy，表“干净整洁” 8. to - 固定短语：use sth. to do sth.（用某物做某事），动词不定式作目的状语 9. efficiently - 副词，修饰动词work and study，efficient的副词形式为efficiently（高效地） 10. will cheer - 一般将来时，此处表“当你情绪低落时，看喜欢的电影或待在舒适的房间会让你振作起来”，用将来时表将来的结果 1. cry 2. to save 3. crying 4. of 5. while 6. while 7. and 8. to 9. efficiently 10. will cheer Unit 12 答案及解析 1. off - 固定短语：go off（响起），此处指“闹钟没响” 2. of - 固定短语：run out of（从……跑出来） 3. to - 动词不定式作目的状语，表“跑回家去拿书包” 4. had left - 过去完成时，by the time引导的时间状语从句，从句用一般过去时，主句用过去完成时，表“在我回到公交站之前，公交车已经离开了” 5. to - 介词，表“向……方向”，push it to school（把自行车推去学校） 6. had been - 过去完成时，表“在我到达学校时，第一节课已经上了20分钟了”，动作发生在过去的过去 7. so - 连词，表目的，意为“以便”，此处指“同学借我笔记以便我能跟上进度” 8. for - 介词，固定短语：prepare for（为……做准备） 9. the - 定冠词，形容词最高级前加the，most unexpected是最高级形式 10. with - 固定短语：deal with（处理、应对），表“你如何应对这件事” 1. off 2. of 3. to 4. had left 5. to 6. had been 7. so 8. for 9. the 10. with Unit 13 答案及解析 1. to save - 固定短语：take action to do sth.（采取行动做某事），动词不定式作目的状语 2. to break - 固定句型：it takes some time to do sth.（做某事花费多长时间），it为形式主语，真正主语是后面的动词不定式 3. for - 介词，表“用于”，reuse water for watering plants（重复用水浇花） 4. in - 介词，固定短语：in the countryside（在乡下） 5. which - 非限制性定语从句引导词，指代前面“工厂把废水排入河流”这件事 6. from - 固定短语：stop sb. from doing sth.（阻止某人做某事），from后接动名词 7. to - 固定短语：ask sb. to do sth.（要求某人做某事），表“要求他们加入我们” 8. for - 介词，表“为了”，此处指“为了后代，地球将变得无法居住” 9. to - 固定短语：work together to do sth.（一起努力做某事），动词不定式作目的状语 10. to - 固定短语：do sth. to do sth.（做某事来做某事），动词不定式作目的状语，表“你会做什么来保护地球” 1. to save 2. to break 3. for 4. in 5. which 6. from 7. to 8. for 9. to 10. to Unit 14 答案及解析 1. on - 介词，具体到某一天用on，the first day of school是具体日期 2. to - 固定短语：be afraid to do sth.（害怕做某事） 3. winning - 固定短语：remember doing sth.（记得做过某事），表“记得在八年级赢了篮球比赛”，动作已发生 4. hers - 名词性物主代词，相当于her textbook，表“同桌分享她的课本给我” 5. to - 固定短语：be grateful to sb.（对某人感激） 6. will achieve - 一般将来时，表“希望每个人将来都能实现梦想” 7. to - 动词不定式作目的状语，表“举办派对来庆祝我们的友谊” 8. to be - 固定短语：remember to do sth.（记得去做某事），表“记得要善良、勤奋、勇敢” 9. the - 定冠词，特指“初中这美好的几年”，wonderful years后有语境限定，需加the 10. meaningful - 形容词，作make的宾语补足语，表“让我的初中生活有意义” 1. on 2. to 3. winning 4. hers 5. to 6. will achieve 7. to 8. to be 9. the 10. meaningful |（注：文档部分内容可能由 AI 生成) 学科网（北京）股份有限公司 $