期末复习之重点单词、短语、句型、语法综合必刷120题（Units 1-6）2025-2026学年外研版英语八年级下册

**基本信息** 聚焦外研版八年级下册Units1-6核心考点，分词汇、短语、句型、语法四模块120题，由基础到进阶系统整合语言知识，助力期末精准查漏。 **综合设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |词汇过关|45题（汉译英、词形变化、首字母填空）|考查单词记忆、词形转换及语境拼写|从基础词汇记忆到词性变化规则，再到语境中灵活运用，构建词汇网络| |短语运用|25题（中文提示补全句子）|聚焦固定搭配在语境中的准确运用|依托单元核心短语，通过句子语境强化“短语-意义-应用”的关联| |句型转换|25题（提问、被动语态、同义转换等）|综合考查句式结构转换与语法规则应用|以句子结构分析为核心，涵盖被动语态、情态动词、宾语从句等语法点的灵活转换| |语法选择|25题（单选，含被动语态、情态动词、宾语从句）|通过语境辨析语法规则的实际应用|从时态语态到从句连接词，层层递进考查语法知识的系统性与辨析能力|

专项分层刷题，期末高效提分 外研版（2024）八年级下册期末复习（Units 1-6） 单词、短语、句型、语法综合必刷120题 学校：______________ 班级：______________ 姓名：______________ （考试时间：60分钟 总分：120分） 做题须知 1. 本套练习合计 120 道习题，整合全册 Units1-6 考点，分为词汇、短语、句型、语法四大独立板块，题型互不重复，完整梳理本册全部核心考点。 2. 推荐刷题顺序：词汇过关→短语运用→句型转换→语法选择，由基础到进阶，循序渐进夯实基础。 3. 分模块专项训练，精准查漏补缺，高效备战期末检测。 一、词汇过关（共45小题） Ⅰ. 根据句意及汉语提示写单词（15小题） 1．Yesterday when I saw the old photo, it _______ (使想起) me of my happy old times. 2．This kind of work ________ (需要) a lot of patience and time. 3．The ________ (面试) for the new job will be held next Monday. 4．Our teacher always explains every key ________ (要点) clearly in English class. 5．Doctors say too much ______________ (压力) is not good for a child's development. 6．After practising for a month, she felt ________ (完全地) confident of speaking in public. 7．Our teacher often ________ (建议) us to read more books in our free time. 8．I think that ________ (自信) is the key to success. 9．The hospital offers free medical ________ (治疗) for poor children. 10．She felt ________ (失望的) because she missed the exam. 11．Natural ________ (财富) like forests and rivers should be protected. 12．There are ________ (几乎不) any living things here in such cold conditions. 13．People in the ________ (乡下) usually grow wheat and other crops. 14．We should try our best to protect the ________ (生态环境) because it’s important for our lives. 15．Eating too much salt can _________ (增加) the risk of many serious diseases like high pressure. Ⅱ. 用括号内所给单词的适当形式填空（15小题） 1．________ (real) is not the way you wish things to be, nor the way they appear to be, but the way they actually are. 2．This blue T-shirt looks so ________ (fashion) on her. I’m about to buy one, too. 3．It is _______ (necessity) for us to protect the environment. 4．They are having a warm ________ (converse) in the living room. 5．Any careless mistake may lead to a serious result when you go ________ (ski). 6．My dream is to become a ________ (direct) in the future, because I want to create wonderful films that can bring happiness to people. 7．You can hurt others with your words, but sometimes you can hurt them more with your ________ (silent). 8．That girl feels very weak and can’t stand or walk after the ________ (ill). 9．Do you have a ________ (solve) to the maths question? 10．It’s my own ________ (believe) that playing video games too much is bad for your eyes. 11．I think the ________ (argue) is meaningless, because neither answer is right. 12．At this time, the local people will celebrate the ________ (arrive) of the harvest (丰收). 13．He is always ________ (energy) and never feels tired. 14．The population is increasing, and it will _________ (probable) cause the shortage of drinking water. 15．There are ________ (end) problems in our life, but we should face them bravely. Ⅲ. 根据句意及首字母提示补全单词（15小题） 1．Good communication s________ are important in many jobs. 2．The company will o________ a training programme for new employees. 3．Many museums now p________ virtual tours, allowing people to visit them from home through the Internet. 4．He made a p________ to his mother that he would clean his room. 5．Don’t be afraid to f________, you can learn from mistakes. 6．He is a great l________ who can inspire the whole team. 7． With China developing faster and faster, it is playing a more and more important r________ on the world stage. 8．We won the game because of the great c______ between all team members. 9．Many poor families can’t a________ to pay for medical care. 10．Mary didn’t m________ anything about the trip in her e-mail. 11．Our school is collecting old books and clothes to d_______ to a local charity. 12．Different students may have different m________ to learn English well. 13．Before washing, check and c________ your pockets in order to make sure there's nothing left. 14．She is good at all subjects, e________ English and math. 15．Few plants can s________ in the desert without water. 二、短语运用（共25小题） 根据中文提示完成句子，每空一词。 1．传统书籍在未来可能会被电子书取代。 Traditional books may ________ _______ _______ e-books in the future. 2．解出那道数学难题让汤姆很有成就感。 Working out that difficult maths problem gave Tom ________ ________ ________ ________. 3．派对结束后，地板上到处都是气球。 After the party, there were balloons ________ ________the floor. 4．我们应该跟上不断变化的就业市场。 We should ________ ________ ________ the changing job market. 5．他一路跑到学校，到的时候上气不接下气。 He ran all the way to school and arrived ________ ________ ________. 6．黄山烧饼是如此美味，许多外国人都爱上了它们。 Huangshan Baked Cakes are so delicious that many foreigners ________ ________ ________ ________ ________. 7．我看那个搞笑视频时，总会忍不住笑起来。 I ________ ________ ________ when I watch that funny video. 8．请帮我把这些新的故事书分发给孩子们。 Please help me to __________ __________ these new storybooks to the children. 9．团队成员们很担心，但他们不得不继续前行。 The team were worried, but they had to _______ ________ . 10．只要我们尽一切努力去追求我们的目标，就没有什么是不可能的。 Nothing is impossible as long as we ________ ________ ________ to pursue our goals. 11．打扰一下，你能告诉我怎么去东湖公园吗？ ________ ________, how can I get to the Donghu Park? 12．玛丽终于公开了她的秘密——她为妈妈做了一个生日蛋糕。 Mary finally ________ ________ with her secret — she made a birthday cake for her mom. 13．面对苦难时，你绝不应轻易放弃。 ________ ________ ________ should you give up easily when facing difficulties. 14．同学们正在为生病的同学筹集资金。 The students are ________ ________ for the sick classmate. 15．这次拜访的目的是号召我们更加关心孤独老人。 The purpose of the visit is to _______ _______ us to care more about the lonely old people. 16．别为他担心了。他不再是小孩子了。 Don’t worry about him. He is ________ ________ a child. 17．他们成立了一个工作组调查这个问题。 They set up a working party to ________ ________ the issue. 18．要是我们现在不采取措施，这些动物很快就会灭绝了。 If we don't ________ ________ right now, the animals will ________ ________ very soon. 19．台湾省属于中国的事实永远不会被改变。 The fact that Taiwan Province ________ ________ China will never change. 20．自然资源将会耗尽。最好的解决方式是避免使用一次性产品。 ________ ________ will run out. The best solution is to avoid using single-use products. 21．那里的大多数村民以耕种为生。 Most of the villagers there ________ ________ farming. 22．人类应该与自然和谐共处。 Humans should ________ ________ ________ ________ nature. 23．孩子们渴望能亲眼见到他们最喜欢的卡通人物。 The children ________ ________ ________ their favourite cartoon characters in person. 24．你能在社会上发挥重要作用。 You can ________ ________ ________ ________ ________ society. 25．只要你努力，你就会取得进步。 ________ ________ ________ you work hard, you will make progress. 三、句型转换（共25小题） 按要求改写句子，每空一词。 1．These apples are grown on the farm.（对划线部分on the farm提问） ________ ________ these apples ________? 2．The letters are written by my sister.（对划线部分my sister提问） ________ ________ the letters ________ by? 3．We will not paint the wall next week. The wall ________ ________ ________ by us next week. 4．The new community library will be completed next month. (改成一般疑问句) ________ the new community library ________ completed next month? 5．They will build a new hospital in this town next year. (改为被动语态) A new hospital ________ ________ ________ in this town next year. 6．The charity was founded to help more blind people. (对划线部分提问) ________ ________the charity ________? 7．The letter was sent to Tom by his mother.（对划线部分提问） ________ ________ the letter ________ to Tom? 8．My father bought me a new bike yesterday. (改为被动语态) A new bike ________ ________ for me by my father yesterday. 9．They had to stay at home yesterday. (改为否定句) They ________ ________ ________ stay at home yesterday. 10．You must finish the volunteer work today. (改为否定句) You ________ ________ the volunteer work today. 11．They must stay here until 5 o’clock.（改为一般疑问句并作肯定回答） —________ they ________ here until 5 o’clock? —Yes, ________ ________. 12．He has to walk to school every day.（改为一般疑问句） ________ he ________ ________ walk to school every day? 13．Many people don’t have money for medical treatment. Many people ________ ________ to pay for the medical treatment. 14．My brother looks after the little dog when I’m away. (改为同义句) My brother ________ ________ ________ the little dog when I’m away. 15．Why not join us?（同义句） ________ ________ joining us? 16．They may go to help the homeless people. (改为一般疑问句) ________ they ________ to help the homeless people? 17．You can take this seat. (改为否定句) You ________ ________ this seat. 18．“Will they plant trees tomorrow?” She asks. （改为同义句） She asks ______ they ______ plant trees tomorrow. 19．He spent two hours watching birds. (同义句) It ________ him two hours ________ ________ birds. 20．Is there a lake behind the mountain? He asks. He asks ______ ______ ______ a lake behind the mountain. 21．The earth is our home. Everyone knows.（合并句子） Everyone knows ______ the earth ______ our home. 22．Why didn’t he come to the farm? Do you know? Do you know ______ ______ ______ ______ to the farm? 23．When does the train leave? I want to know.  (改为宾语从句) I want to know ________ ________ ________ ________. 24．There is something wrong with the lake because of chemical pollution. (改为否定句) There ________ ________ wrong with the lake because of chemical pollution. 25．Protecting nature is our duty.（同义句） ________ our duty ________ ________ nature. 四、语法选择（共25小题） 从A、B、C、D四个选项中选出可以填入空白处的最佳选项。 ( )1.1．The charity walk ________ every year to raise money for children in need. A．holds B．held C．is held D．was held ( )2．—________ your classroom ________ every day? —Yes, it is. A．Do; clean B．Does; clean C．Is; cleaned D．Are; cleaned ( )3．The storybooks ________ by my aunt. She is a writer. A．write B．are written C．is written D．writes ( )4．—Where ________ these new bikes ________? —They are made in Guangzhou. A．do; make B．are; made C．did; make D．is; made ( )5．There will be fewer workers because most of the work ________ by robots in the future. A．is done B．will be done C．was done D．will do ( )6．—________ the new library ________ to the public next month? —Yes, it will. A．Will; be opened B．Will; opened C．Is; opened D．Does; open ( )7．The food and medicine ________ to the flood area by volunteers next week. A．will send B．will be sent C．send D．sent ( )8．The mobile phone ________ by Martin Cooper in 1973. A．invented B．is invented C．was invented D．will be invented ( )9．The homeless kids ________ new schoolbags by volunteers last month. A．gave B．were given C．are given D．give ( )10．—When ________ this kind of computer ________? —Last year. A．did; use B．was; used C．is; used D．does; use ( )11．You look tired, Olivia. You ________ stay up late too often. A．should B．need C．shouldn’t D．needn’t ( )12．If you want to work well in a team, you ________ help others and you ________ be too selfish. A．have to; don’t have to B．should; shouldn’t C．should; have to D．have to; must ( )13．You ________ eat too much sweet food, or you will have a toothache. A．shouldn’t B．couldn’t C．needn’t D．mustn’t ( )14．If you have a backache, you ________lift heavy things. You ________ lie down for a good rest. A．had better; shouldn’t B．shouldn’t; had better not C．shouldn’t; had better D．had better not; mustn’t ( )15．―Look at the dark clouds. I'm afraid it rain soon. ―I think so, and we stay at home now. A．must; must B．may; have to C．might; must D．could; have to ( )16．A hard-working man ________ be a successful man, but a successful man ________ be a hard-working man. A．may not; can B．can’t; may C．may not; must D．can’t; should ( )17．—What’s the date for the graduation ceremony? —It ______ be on June 25th. But I’m not sure. A．could B．couldn’t C．must D．mustn’t ( )18．I believe ________ he will come to the party tomorrow. A．that B．if C．whether D．what ( )19．I don’t know ________ he will come to the party or not. A．that B．whether C．if D．when ( )20．—Could you tell me ________ we can do to help the kids who suffer from illnesses? —We can work with local groups and raise money for medical care. A．how B．where C．what D．when ( )21．I asked him ________ he disliked making friends with outgoing kids. A．why B．what C．how D．where ( )22．I don’t know when he ________ back. Please tell me when he ________ back. A．comes; comes B．will come; comes C．comes; will come D．will come; will come ( )23．He said he ________ to Beijing the next week. A．will go B．would go C．goes D．went ( )24．—Do you know ______? —Next month. A．when will the new library open B．when the new library will open C．when did the new library open D．when the new library opened ( )25．Can you tell me ________buy a map? A．what I could B．what could I C．where can I D．where I can ( 第 1 页 共 2 页 ) 学科网（北京）股份有限公司 $ 答案解析 一、词汇过关（共45小题） Ⅰ. 根据句意及汉语提示写单词（15小题） 1. 答案：reminded。解析：固定搭配remind sb. of sth. 使某人想起某物；yesterday为一般过去时，remind过去式reminded。 2. 答案：requires。解析：require需要；主语this kind of work为单数，一般现在时谓语动词用三单requires。 3. 答案：interview。解析：interview面试，此处作主语，the后接可数名词单数。 4. 答案：point。解析：key point固定搭配，要点；every后接名词单数。 5. 答案：pressure。解析：pressure压力，不可数名词，too much修饰不可数名词。 6. 答案：completely。解析：副词completely完全地，修饰形容词confident。 7. 答案：advises。解析：advise sb. to do sth.建议某人做某事；主语our teacher三单，一般现在时用advises。 8. 答案：confidence。解析：confidence自信，名词作从句主语。 9. 答案：treatment。解析：medical treatment固定搭配，医疗治疗。 10. 答案：disappointed。解析：disappointed修饰人，感到失望的；disappointing修饰事物。 11. 答案：wealth。解析：natural wealth自然资源，wealth表财富时不可数。 12. 答案：hardly。解析：hardly几乎不，否定副词，符合寒冷环境几乎无生物的语境。 13. 答案：countryside。解析：in the countryside固定短语，在乡下。 14. 答案：environment。解析：ecological environment生态环境，固定名词短语。 15. 答案：increase。解析：情态动词can后接动词原形，increase增加。 Ⅱ. 用括号内所给单词的适当形式填空（15小题） 1. 答案：Reality。解析：real形容词真实的；此处作主语用名词reality现实，句首大写。 2. 答案：fashionable。解析：look系动词后接形容词，fashion名词时尚→fashionable时髦的。 3. 答案：necessary。解析：固定句型It is + adj. for sb. to do，necessity名词→necessary形容词必要的。 4. 答案：conversation。解析：warm形容词修饰名词，converse动词交谈→conversation对话。 5. 答案：skiing。解析：固定搭配go skiing去滑雪，go+动名词表户外运动。 6. 答案：director。解析：direct动词导演；a后接指人名词director导演。 7. 答案：silence。解析：形容词性物主代词your后接名词，silent形容词安静的→silence沉默。 8. 答案：illness。解析：the后接名词，ill形容词生病的→illness疾病。 9. 答案：solution。解析：a后接名词，solve动词解决→solution解决办法；a solution to ……的解决方法。 10. 答案：belief。解析：own形容词自己的，后接名词；believe动词相信→belief信念。 11. 答案：argument。解析：the后接名词，argue动词争吵→argument争论。 12. 答案：arrival。解析：the后接名词，arrive动词到达→arrival到来。 13. 答案：energetic。解析：系动词is后接形容词，energy名词精力→energetic精力充沛的。 14. 答案：probably。解析：修饰动词cause用副词，probable形容词可能的→probably大概。 15. 答案：endless。解析：修饰名词problems用形容词，end名词尽头→endless无尽的。 Ⅲ. 根据句意及首字母提示补全单词（15小题） 1. 答案：skills。解析：communication skills沟通技巧，谓语are说明主语用复数。 2. 答案：offer。解析：offer sth. for sb.为某人提供某物，will后接动词原形。 3. 答案：provide。解析：provide virtual tours提供线上云游览，主语museums复数，一般现在时原形。 4. 答案：promise。解析：make a promise to sb.向某人承诺，a后接单数名词。 5. 答案：fail。解析：be afraid to do害怕做某事，fail失败；句意不要害怕失败。 6. 答案：leader。解析：great形容词修饰名词，leader领导者；句意他是能激励团队的优秀领导者。 7. 答案：role。解析：play an important role固定搭配，发挥重要作用。 8. 答案：cooperation。解析：great形容词修饰名词，cooperation合作；全队配合所以赢比赛。 9. 答案：afford。解析：can’t afford to do负担不起做某事。 10. 答案：mention。解析：didn’t后接动词原形，mention提及。 11. 答案：donate。解析：donate to charity捐赠给慈善机构，to后接动词原形。 12. 答案：methods。解析：different后接名词复数，methods学习方法。 13. 答案：check。解析：and并列两个动词原形check and check，检查口袋。 14. 答案：especially。解析：especially尤其、特别，用于强调英语数学。 15. 答案：survive。解析：can后接动词原形，survive存活；沙漠缺水几乎没有植物存活。 二、短语运用（共25小题，每空一词） 1. 答案：be replaced by。解析：被动语态may+be+过去分词；be replaced by被……取代。 2. 答案：a sense of achievement。解析：固定搭配a sense of achievement成就感。 3. 答案：all over。解析：all over the floor满地、到处。 4. 答案：keep up with。解析：keep up with跟上、赶上。 5. 答案：out of breath。解析：out of breath上气不接下气。 6. 答案：fall in love with them。解析：so…that引导结果状语从句，主语foreigners复数，一般现在时fall in love with爱上。 7. 答案：can’t help laughing。解析：固定结构can’t help doing忍不住做某事。 8. 答案：give out。解析：help sb. to do，give out分发。 9. 答案：move on。解析：have to后接动词原形，move on继续前行。 10. 答案：make every effort。解析：make every effort to do尽全力做某事；as long as主将从现，从句主语we原形。 11. 答案：Excuse me。解析：礼貌用语Excuse me打扰一下，问路专用。 12. 答案：came out。解析：come out with one’s secret公开秘密；finally说明过去式come→came。 13. 答案：At no time。解析：At no time绝不，放句首句子半倒装。 14. 答案：raising money。解析：现在进行时be doing，raise money筹钱。 15. 答案：call on。解析：to不定式表目的，call on sb. to do号召某人做某事。 16. 答案：no longer。解析：no longer不再，修饰延续性状态。 17. 答案：look into。解析：to不定式表目的，look into调查。 18. 答案：take action; die out。解析：don’t后接动词原形take action采取行动；will后接原形die out灭绝。 19. 答案：belongs to。解析：事实用一般现在时，主语Taiwan Province单数，belong三单belongs；belong to属于。 20. 答案：Natural resources。解析：natural resources自然资源，复数表泛指，句首大写。 21. 答案：live on。解析：live on以……为生；主语villagers复数，一般现在时原形。 22. 答案：live in peace with。解析：should后接原形，live in peace with与……和谐共处。 23. 答案：are thirsty for。解析：be thirsty for渴望；主语children复数，be动词用are。 24. 答案：play an important role in。解析：can后接动词原形，play an important role in在……发挥重要作用。 25. 答案：As long as。解析：固定连词短语as long as只要，引导条件状语从句，句首大写。 三、句型转换（共25小题，每空一词） 1. 答案：Where are; grown。解析：划线on the farm地点，疑问词where；一般现在时被动are grown，疑问语序be提前。 2. 答案：Who are; written。解析：划线my sister人，被动语态提问动作执行者用who；are提前。 3. 答案：won’t be painted。解析：一般将来时被动否定式will not be done，paint过去分词painted。 4. 答案：Will; be。解析：一般将来时被动变一般疑问，will提前，be动词保留。 5. 答案：will be built。解析：一般将来时被动结构will be done，build过去分词built。 6. 答案：Why was; founded。解析：划线to help表目的，疑问词why；一般过去时被动was founded。 7. 答案：Who was; sent。解析：划线by his mother动作执行者，用who提问；was提前。 8. 答案：was bought。解析：一般过去时被动，buy双宾语被动，sth. be bought for sb.，buy过去分词bought。 9. 答案：didn’t have to。解析：have to过去式had to，否定借助didn’t，后还原原形have to。 10. 答案：mustn’t finish。解析：情态动词must否定式mustn’t，后接动词原形。 11. 答案：Must; stay; they must。解析：must变疑问直接提前；肯定回答Yes, 主语+must。 12. 答案：Does; have to。解析：have to实义动词，主语he三单，一般疑问借助does，还原have to。 13. 答案：can’t afford。解析：同义替换don’t have money for = can’t afford to支付不起。 14. 答案：take care of。解析：look after = take care of照顾；主语brother三单take→takes。 15. 答案：What about。解析：Why not do = What about doing，提建议句型。 16. 答案：May; go。解析：情态动词may变疑问直接提前，后接动词原形go。 17. 答案：can’t take。解析：情态can否定can’t，后接动词原形take。 18. 答案：if/whether; will。解析：直接引语一般疑问句变宾语从句，用if/whether引导，时态不变主句一般现在时。 19. 答案：took; to watch。解析：同义句型sb. spend time doing = It takes sb. time to do；spent过去式take→took。 20. 答案：if there is。解析：一般疑问句宾语从句用if引导，陈述语序there is。 21. 答案：that; is。解析：陈述句宾语从句用that引导，语序不变。 22. 答案：why he didn’t come。解析：特殊疑问句变宾语从句，疑问词why，陈述语序，过去式didn’t。 23. 答案：when the train leaves。解析：特殊疑问词when引导宾语从句，陈述语序，一般现在时主语train三单leaves。 24. 答案：isn’t anything。解析：there be否定be变isn’t，something变anything。 25. 答案：It’s; to protect。解析：动名词作主语同义替换It’s one’s duty to do sth.做某事是某人的责任。 四、语法选择（25小题） 1. 答案：C。解析：every year一般现在时；慈善步行活动是被举办，一般现在时被动is held；A主动，B过去式，D过去被动均错。 2. 答案：C。解析：every day一般现在时；教室被打扫，单数classroom对应is，被动Is cleaned；A/B主动，D复数are错。 3. 答案：B。解析：storybooks复数，被阿姨写，一般现在时被动are written；A/D主动，C单数is错。 4. 答案：B。解析：these new bikes复数，be made in产自；一般现在时被动are made。 5. 答案：B。解析：in the future将来时；工作被机器人完成，将来被动will be done。 6. 答案：A。解析：next month将来时，图书馆被对外开放，Will be opened；B缺少be，C/D现在时错。 7. 答案：B。解析：next week将来时，食物药品被志愿者送去，将来被动will be sent。 8. 答案：C。解析：in 1973过去时间，手机被发明，一般过去时被动was invented。 9. 答案：B。解析：last month过去时，无家可归孩子被给予书包，复数主语were given。 10. 答案：B。解析：答句last year过去时，电脑被使用，单数this kind对应was used。 11. 答案：C。解析：You look tired很累，所以不应该熬夜；shouldn’t不应该；A应该，B需要，D不必均不符语境。 12. 答案：B。解析：团队合作应该帮助他人，不应该自私；should应该，shouldn’t不应该。 13. 答案：A。解析：吃太多甜食会牙疼，不应该多吃；shouldn’t不应该；couldn’t不能（能力），needn’t不必，mustn’t禁止（危险行为）。 14. 答案：C。解析：背痛不应该提重物，最好躺下休息；shouldn’t不应该，had better最好。 15. 答案：B。解析：乌云可能下雨may/might；现在必须待在家里客观情况用have to；must主观必须。 16. 答案：C。解析：努力的人或许不会成功，但成功的人一定努力；may not或许不；must一定表肯定推测。 17. 答案：A。解析：后句I’m not sure不确定，用could表可能性推测；must一定（肯定），couldn’t/mustn’t否定推测。 18. 答案：A。解析：陈述句宾语从句用that引导，无含义不充当成分。 19. 答案：B。解析：固定搭配whether…or not是否，if不能与or not连用。 20. 答案：C。解析：do缺少宾语，what指代事物，what we can do我们能做什么；how/where/when作状语不能作宾语。 21. 答案：A。解析：句意我问他为什么不喜欢和外向的人交朋友，疑问词why表原因。 22. 答案：B。解析：第一句宾语从句，不知道他什么时候回来（将来）will come；第二句when时间状语从句，主将从现，从句一般现在时comes。 23. 答案：B。解析：主句said过去时，宾语从句将来时变过去将来时would go。 24. 答案：B。解析：答句next month将来时；宾语从句必须陈述语序，排除A/C疑问语序，D过去时错误。 25. 答案：D。解析：宾语从句陈述语序，排除B/C疑问语序；句意你能告诉我哪里可以买地图，疑问词where。 学科网（北京）股份有限公司 $