期中测试之语法综合提优练习 - 2025-2026学年人教版八年级下册英语

人教版八年级下册 U1-U4 期中语法提优练习 完整答案 + 逐题超详细解析 Unit 1 动词不定式 一、单词拼写 1. practising 解析：spend...doing sth. 花费时间做某事。 2. to relax；to relax 解析：to do 表目的；want to do 想要做。 3. not to push；not to forget 解析：tell sb. not to do；It’s + adj. + not to do。 4. decide；to forget 解析：make sb. do；try to do 尽力做。 5. going 解析：suggest doing 建议做。 6. to travel 解析：decide to do 决定做。 7. to do 解析：how to do 怎么做。 8. to fly；fly 解析：ask sb. to do；watch sb. do。 9. to help 解析：to do 表目的。 10. chatting 解析：like doing 喜欢做。 11. to read 解析：encourage sb. to do 鼓励做。 12. working 解析：keep doing 一直做。 13. to watch；rise 解析：to do 表目的；watch sth. do。 14. get；cross 解析：see sb. do and do 并列原形。 15. to lock；to do 解析：tell sb. to do；forget to do 忘记去做。 二、单项选择 16. B 解析：to do 表目的 to relax。 17. A 解析：make sb. do 用原形。 18. B 解析：how to do 结构。 19. B 解析：is 后用 to do 作表语。 20. B 解析：stop to do 停下来去做。 21. B 解析：in order to do 为了做。 22. A 解析：句首 To do 表目的。 23. B 解析：to do 表目的 to borrow。 24. A 解析：Let sb. do 用原形。 25. B 解析：remember to do 记得去做。 26. C 解析：prefer to do 更喜欢做。 27. C 解析：spend...doing；chat with 聊天。 28. A 解析：manage to do 设法做成。 29. C 解析：warn sb. not to do 警告不做。 30. C 解析：what to do 做什么。 Unit 2 情态动词 & 反身代词 一、单词拼写 1. themselves 解析：remind oneself 提醒自己。 2. herself 解析：enjoy oneself 玩得开心。 3. myself 解析：introduce oneself 自我介绍。 4. keep 解析：should + 原形。 5. could 解析：at the age of eight 过去，用 could。 6. lie 解析：should + 原形。 7. ourselves 解析：depend on oneself 依靠自己。 8. itself 解析：故事本身用 itself。 9. Their 解析：形容词性物主代词 Their。 10. use 解析：shouldn’t + 原形。 11. themselves 解析：protect oneself 保护自己。 12. yourselves 解析：take care of oneself 照顾自己。 13. herself 解析：hurt oneself 伤到自己。 14. myself 解析：by oneself 独自。 15. drink 解析：could + 原形。 二、单项选择 16. A 解析：should 应该。 17. C 解析：should 应该。 18. D 解析：compare oneself with 拿自己比。 19. C 解析：couldn’t until 直到……才。 20. B 解析：shouldn’t 不应该。 21. B 解析：should 应该。 22. C 解析：themselves 它们自己。 23. B 解析：should 应该。 24. B 解析：shouldn’t 不应该。 25. A 解析：by myself 独自。 26. D 解析：shouldn’t 不应该安装不常用软件。 27. C 解析：had better 最好。 28. A 解析：herself 她自己。 29. B 解析：shouldn’t 不应该。 30. A 解析：should 应该。 Unit 3 连词（although / till / so that / if） 一、单项选择 1. A 解析：if 如果。 2. C 解析：so that 以便，加句子。 3. A 解析：until 主句否定，从句用一般现在时。 4. C 解析：so that 结果。 5. B 解析：not...until 直到……才；过去时 didn’t。 6. B 解析：although 不与 but 连用。 7. C 解析：although 虽然。 8. B 解析：not...until 直到……才。 9. B 解析：although 可与 yet 连用。 10. D 解析：though 不与 but 连用。 11. C 解析：so that 以便。 12. B 解析：not...until 直到……才。 13. B 解析：so that 为了。 14. D 解析：not...until 直到……才。 15. B 解析：not...until 直到……才。 16. A 解析：although 不与 but 连用。 17. C 解析：so that 以便。 18. D 解析：so that 以便。 19. B 解析：not...until 直到……才。 20. C 解析：if 如果。 --- Unit 4 形容词/副词比较级、最高级 一、单词拼写 1. deepest 解析：the + 最高级。 2. farthest 解析：the + 最高级。 3. hugest 解析：the + 最高级。 4. funnier 解析：than 用比较级。 5. better 解析：much + 比较级。 6. well 解析：as + 原级 + as。 7. taller 解析：变得更高用 比较级。 8. more outgoing 解析：多音节词 more outgoing。 9. worse 解析：get 比较级 变得更糟。 10. harder；better 解析：the + 比较级，the + 比较级。 11. the thinner 解析：the + 比较级 + of the two。 12. highest 解析：the + 最高级。 13. world’s 解析：名词所有格 world’s。 14. earlier；sooner 解析：the + 比较级，the + 比较级。 15. more popular；healthier 解析：more and more 比较级；and 并列比较级。 二、单项选择 16. C 解析：fewer people；less pollution。 17. B 解析：the fastest 最高级。 18. B 解析：as + 副词原级 + as；修饰动词 sing。 19. D 解析：the largest 最高级。 20. C 解析：get worse 变得更糟。 21. B 解析：even + worse 更糟。 22. C 解析：the cheapest 最便宜的。 23. D 解析：one of the + 最高级。 24. A 解析：副词最高级 most carefully 修饰 write。 25. B 解析：than 用比较级 faster。 26. D 解析：as interesting as 和……一样有趣。 27. C 解析：than 用比较级 worse。 28. D 解析：than 用比较级 worse。 29. C 解析：rain hard；even + worse。 30. B 解析：never 与 比较级 连用表最高级含义。 学科网（北京）股份有限公司 $ 人教版（2024）新教材八年级下册英语Unit 1 - Unit 4 期中测试之语法综合提优练习 （含解析） Unit 1 动词不定式 Unit 2 情态动词和反身代词 Unit 3 连词although、till、so that、if的用法 Unit 4 形容词的比较级和最高级 Unit 1 动词不定式 一、单词拼写 1．I spent two hours ________ (practise) the speech for the competition yesterday. 2．A: I love to watch kung fu movies ________ (relax). B: Really? When I want ________ (relax), I watch animal videos. 3．A: My parents told me ________ (not push) myself too hard. B: Yes, it’s important ________ (not forget) to relax once in a while. 4．A: Thanks for your advice! It made me ________ (decide) to try skiing. B: You’re welcome. Try ________ (forget) your fears and have fun! 5．My mother suggested ________ (go) for a picnic this weekend. 6．They decided ________ (travel) to Europe next summer. 7．Mother often teaches me how ________ (do) well in my daily life. 8．A: My cousin often asks me ________ (fly) kites with her when it’s windy. B: That sounds fun! I’d love to watch you ________ (fly) kites sometime. 9．Every Saturday, Bob volunteers at the local library ________ (help) kids find more interesting books. 10．This student likes ________ (chat) with friends online, not just for fun but also to ask about homework problems. 11．Our teacher often encourages us ________ (read) more books. 12．Don’t keep ________ (work) all day. You need to take a break. 13．Many tourists like to gather there ________ (watch) the national flag ________ (rise) with the sun early in the morning. 14．I saw Mr Green ________ (get) off the bus and ________ (cross) the street just now. 15．My mother told me ________ (lock) the door but I forgot ________ (do) it. 二、单项选择 16．—What do you do in your free time? —I play the flute ________. A．relaxing B．to relax C．Relaxes D．relaxed 17．The teacher made us _______ the words three times. A．write B．to write C．writing D．wrote 18．I don’t know _______ to the station. A．how get B．how to get C．to how get D．how getting 19．The purpose of this project is ________ students’ awareness of environmental protection. A．raise B．to raise C．raising D．raised 20．He stopped ________a rest because he felt very tired after walking for a long time. A．have B．to have C．having D．had 21．The students study hard ________ pass the final exam successfully. A．so that B．in order to C．such as D．as a result 22．________ communication easier and faster, engineers in that company have designed a kind of smart watch. A．To make B．Making C．Make D．Makes 23．He went to the library _______ some books. A．borrow B．to borrow C．borrowing D．borrowed 24．Let me _______ you with your homework. A．help B．to help C．helping D．helped 25．Remember ________ the door when you leave the classroom. A．lock B．to lock C．locking D．locked 26．Many travelers prefer ________ the West Lake in late spring when flowers are in full bloom. A．visit B．visiting C．to visit D．visited 27．One of my friends often spends time ________ with others on the internet. A．helping B．agreeing C．chatting D．dealing 28．How great the driver was! He ________ to avoid a car accident this morning. A．managed B．refused C．continued D．expected 29．The river is very deep. My father warns me ________ in it. A．swim B．to swim C．not to swim D．don’t swim 30．I don’t know _______ with the problem. A．what do B．what will do C．what to do D．do what Unit 2情态动词和反身代词 一、单词拼写 1．When my parents travel, they always take photos to remind _______ (they) of the wonderful time. 2．Helen, a British student, will enjoy ________ (she) during the summer holiday in China. 3．First of all, let me introduce________ (I) to you. 4．Shh... This is a library. You should ________ (keep) your voice down. 5．Tom _________ (can) swim well at the age of eight. He is a good swimmer. 6．When you have a headache, you should ________ (lie) down and get some rest. 7．When there is no one to ask for help, we should depend on ________ (us). 8．The story ________ (it) was very good, but you didn’t tell it well. 9．Tom and Jerry have a lot in common. ________ (they) favourite sport is basketball. 10．You shouldn’t ________ (use) your phone too often. 11．The students are young, but they know how to protect ________ (they). 12．I hope all of you can take good care of ________ (your) and keep safe every day. 13．She hurt ______ (she) when she fell off the bike. 14．I did the homework all by ______ (I). 15．You could ________ (drink) some hot tea with honey. 二、单项选择 16．— I want to help my friend with her math, but she’s too shy to ask for help. — You ________ talk to her gently first to make her feel comfortable. A．should B．can C．may D．need 17．Jack has a cold. He________ lie down and have a rest. A．can B．can’t C．should D．shouldn’t 18．Don’t compare ________ with others. Just focus on your own progress. A．you B．your C．yours D．yourself 19．—Simon, you swim so well. Did you learn to swim when you were a child? — Oh. The fact is that I _________ swim until I was twenty. A．needn’t B．shouldn’t C．couldn’t D．mustn’t 20．—I have a toothache. —You _______ eat too many sweets. A．should B．shouldn’t C．could D．couldn’t 21．—Mum, I can only see four knives on the table. —You must be careless. There ________ be six on the table for the dinner. A．will B．should C．can D．could 22．Self-driving cars are smart enough to follow traffic rules and park ______. A．yourselves B．them C．themselves D．ourselves 23．Earthquakes can be very dangerous. We ________ learn to protect ourselves. A．might B．should C．may D．would 24．—I have a stomachache. —You ________ eat so much junk food next time. A．should B．shouldn’t C．could D．can’t 25．I can learn to do many things by ________ with the help of the Internet. A．myself B．my C．me D．ourselves 26．To save more space on the phone, we ______ set up (安装) the apps that aren’t often used. A．should B．can C．can’t D．shouldn’t 27．—Mom, must I finish the work now? —No, you needn’t. But you ________ finish it today. A．can B．may C．had better D．need 28．—Where did you get the toy car? —From Betty. She made it ________. A．herself B．himself C．itself D．yourself 29．To achieve our dream, we ________ rest on what we have done. A．may not B．shouldn’t C．might not D．couldn’t 30．—I have a sore throat. —You ________ drink some hot tea with honey. A．should B．shouldn’t C．can’t D．can Unit 3连词although、till、so that、if的用法 一、单项选择 1．We will live in a greener world ________ we protect the earth well. A．if B．until C．but D．although 2．Now more and more people take exercise every day________ they can have healthier bodies. A．such that B．in order to C．so that D．even though 3．For your safety, you mustn’t get close to the train until it ________. A．stops B．doesn’t stop C．will stop D．won’t stop 4．He made a lot of mistakes in the English exam ________ he failed to get a good grade. A．only if B．in order to C．so that D．as long as 5．He ________ think he was wrong ________ I showed the answer to him. A．didn’t; at all B．didn’t; until C．won’t; until D．don’t; after 6．________ he was tired, ________ he still helped his mother with housework. A．Although; but B．Although; / C．But; although D． But; / 7．________ the maths problem was very difficult, he didn’t give up and finally worked it out. A．When B．If C．Although D．Because 8．He didn’t go to bed ________ he finished his reading. A．when B．until C．if D．because 9． Dear kids, although you have many difficulties with study, ________ you keep working hard. Wish you success ahead. A．but B．yet C．so D．however 10．________ Peter tried his best, ________ he didn’t win the competition (比赛). A．But; though B．/; and C．Though; but D．Though; / 11．She studies hard ________ she can pass the exam. A．such that B．because C．so that D．but 12．He didn’t leave the office ________ he finished all the work. A．as soon as B．until C．because D．if 13．She saved money ________ she could buy a new laptop. A．when B．so that C．if D．because 14．I didn’t realize he was a famous scientist _______ you told me. A．because B．since C．so that D．until 15．The mother didn’t go to sleep ________ her son came back home last night. A．if B．until C．while D．because 16．—Look! The light of our Chinese teacher’s office is still on. —Yes, Ms. Li is so hard-working. ________ it is late, ________ she is still working. A．Although; / B．But; although C．Although; but D．/; although 17．Xu Dawei wants to pass the Civilian Mobile Library on to his son ________ it can stay open forever. A．before B．although C．so that D．until 18．—I stayed up late yesterday. I’m very tired today. —You should go to bed early tonight _______ you can have a good rest. A．in order to B．as soon as C．as long as D．so that 19．You won’t understand why she got upset _______ you put yourself in her shoes. A．if B．until C．because D．so that 20．________ she lived near the school, she would walk to school every day. A．Before B．After C．If D．Although Unit 4形容词的比较级和最高级 一、单词拼写 1．The Mariana Trench is the __________ (deep) point in the ocean. 2．The Yangtze River travels the __________ (far) in China. 3．He showed me some photos of the ________ (huge) waterfalls in the world. 4．My father is ________ (funny) than my mother. 5．He seemed to feel much ________ (good), because he went to school today. 6．Some blind animals can “see” as __________ (good) as others. 7．Mount Qomolangma is still growing __________ (tall). 8．My brother is ________ (outgoing) than me. 9．Your cold will get ________ (bad) if you don’t take medicine on time. 10．The ________ (hard) you work at your lessons, the ________ (good) grades you will get. 11．Look at the twin brothers. Tom is ________ (thin) of the two. 12．This student achieved the ________ (high) score in the math exam. 13．Saimir Strati is one of the _______ (world) most well-known modern mosaic (马赛克) artists. 14．The ________ (early) we start, the ________ (soon) we will arrive. 15．Community canteens (食堂) have become more and ________ (popular) in China, and they provide old people with ________ (health) and cheaper dishes. 二、单项选择 16．If ________ people drive cars, there will be ________ air pollution. A．more; less B．much; less C．fewer; less D．less; fewer 17．The new sleeper trains between Hong Kong and Beijing may not be ________, but they’re the most comfortable. A．slower B．the fastest C．the slowest D．faster 18．She sings _______ as her mother. A．as beautiful B．as beautifully C．more beautiful D．most beautifully 19．The Sahara is _______ desert in the world. A．large B．larger C．largest D．the largest 20．—How is your cold, Simon? Did you take the medicine? —Yes, three times a day. But it is getting ________, I’m afraid. A．better B．best C．worse D．worst 21．—I have a bad cold. —I’m sorry to hear that. But if you don’t see a doctor, you’ll feel even _______. A．better B．worse C．happier D．weaker 22．I like all the shirts in the shop, but I only took the ________ one to save money. A．cheaper B．more expensive C．cheapest D．most expensive 23．安徽人文 黄山—I think Mount Huangshan is one of the ________ places in Anhui. —I agree with you. A．popular B．more popular C．less popular D．most popular 24．Of all the students in his class, Wang Lin writes ________. A．most carefully B．most careful C．more carefully D．more careful 25．AI technology in China has developed ________ than anyone expected. A．fast B．faster C．the faster D．fastest 26．The magic show is ________ the fashion show. I like both of them. A．as boring as B．not so bored as C．not so interesting as D．as interesting as 27．—The weather today is ________ than yesterday. —We can’t go hiking. A．better B．good C．worse D．bad 28．My first try was much ________ than I thought, so I need to rewrite it. A．good B．better C．bad D．worse 29．It is raining ________ outside, and the weather will get even ________ in the afternoon. A．hard; bad B．hardly; badly C．hard; worse D．hardly; better 30．— How do you like the film Ne Zha 2? — It’s amazing. I have never watched a ________ one before. A．best B．better C．worst D．worse 学科网（北京）股份有限公司 $