2021年高考英语语法总复习：情态动词之高考真题精选（2）
1. Samuel, the tallest boy in our class, _________ easily reach the books on the top shelf.
A. must B. should
C. can D. need
答案：C
解析：句意：Samuel，我们班最高的男生，能很轻松地够着书架顶上的书。此处需要一个表示能力的词，故用can
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2. In today’s information age, the loss of data _________ cau rious problems for a company.
A. need B. should
C. can D. must
答案：C
解析：句意：在今天的信息时代，数据的丢失有时可能会对一个公司造成严重的问题。数据丢失造成严重问题是客观或理论上可能会发生的情况，即“理论或客观可能性”，用情态动词can。
3. ― Isn’t that Ann's husband over there?
― No, it __________be him — I'm sure he doesn't wear glass.
A. can't B. must not
C. won't D. may not
答案：A
解析：句意:—那边的那个是Ann的丈夫吗？—不，不可能是他。我确信他不带眼镜的。根据I'm sure he doesn't wear glass，可知答案为A不可能。
4. He _________writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
A. shouldn’t be B. can’t have finished
C. can’t be D. mustn’t have finished
答案：B
解析：句意：他现在不可能写完了卷子。我十分钟之前离开他时，他还没有写一个字。根据句意可知，此处考查对过去情况的否定推测，其表达为can’t have done不可能做某事，故选B项。
5. —Oh, my God! I just misd the last bus back home.
—That’s really bad. I’m sure you _________it, but you just didn’t hurry up.
A. had caught B. could have caught
C. could catch D. can catch
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答案：B
解析：句意：—哦, 我的上帝!我刚好错过了回家的末班车。—这是非常糟糕的。我肯定你本能够赶上的，但你就是不抓紧。could have done“本来能做而没有做”。故选B。
6. You __________be right but I’m going back to check anyway.
A. should B. must
C. need D. might
答案：D
解析：句意：你或许是对的，但我还是要回去核对一下。A. should应该；B. must一定，必须；C. need需要；D. might或许（不确定）。本题主要考查情态动词表示推测的用法，由I’m going back to check anyway可知，我对此不确定。由此可知，D项符合题意。
7. —Mary knows the city quite well.
—She __________well have been there before.
A. need B. could
C. should D. may
错题本怎么用答案：D
解析：句意：—Mary非常了解这个城市。—她肯定以前在那里呆过。may well have done过去很可能做过某事。表示对过去的肯定猜测。need have done本需要做某事却没做；could have done本可以做某事却没做；should have done本应该做某事却没做。故选D。
8. ―I left my handbag on the train, but luckily someone gave it to a railway official.
―How unbelievable to get it back! I mean, someone ________ it.
A. will have stolen B. might have stolen
C. should have stolen D. must have stolen
答案：B
解析：句意：—我把我的手提包落在火车上了。但幸运的是，有人拾到交给了铁路部门。—失而复得，简直难以置信！我是说，有人本来可能会偷走的。” will have done将来可以完成，must have done一定做过某事，表示对过去事情的肯定推测，都与题意不符。should have done本来应该做某事，而实际没做，这就意味着希望有人偷包。might have stolen 表示本可以…，语气比较婉转，根据句意选B。
9. I still find it hard to imagine that such a clever child ________ make such a foolish mistake.
A. shall B. must
C. can D. should
答案：D
解析：句意：我仍然难以想象这样聪明的孩子竟然犯这样愚蠢的错误。should 作为情态动词，可以用来表示意外、惊喜或者在说话人看来是不可思议的，常常译为"竟会"、"居然"，这么聪明的孩子竟然犯这样愚蠢的错误，表示意外，所以答案选D。
10. We ________ take clean drinking water for granted. One day we may run out of it.
A. needn't B. can't
C. won't D. shouldn't
答案：D
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解析：句意：我们不应该把拥有洁净的饮用水看作是理所当然的。也许有一天，我们会用完它。shouldn't“不应该”，符合句意。needn't不必；can't不可能；won't将不。故选D。儿童便秘吃什么最快排便
11. What do you mean, there are only ten tickets? There _______ be twelve.
A. should B. would
C. will D. shall
答案：A
解析：句意：你这是什么意思，只有十张票？不是应该有十二（张）的吗？would是will的
过去时，表示“意愿”；should应该；will愿意；shall用于第一人称，表示将来；用于第二、三人称，表示规定、命令、警告等。故选B
12. Look! There are so many mistakes in your composition. You ________ have fixed full attention on it.
卢氏盐商住宅A. can B. should
C. need D. might
答案：B
解析：句意：看！你的作文里有那么多的错误。你本应该把所有的注意力都集中在它上面的。表示“本应该做但实际上没有做”应该用should have done结构，can have done表示可能；need表示需要；might have done表示可能做过某事；故选B。
13. AI will surely be a feature of future life, but it _________be ud responsibly and in a proper way.
A. can B. need
C. must D. will
答案：C
解析：句意：人工智能肯定会成为未来生活的一个特征，但必须以负责任的方式和适当的方式使用它。A. can能够；B. need需要；C. must必须；D. will将会。此处为情态动词的一般用法，结合句意表示 “必须” ，故选C。
14. You _______ park here! It's an emergency exit.
A. wouldn't B. needn't
C. couldn't D. mustn't
答案：D
解析：句意：你不可以在这里停车！这是安全出口。根据句意可知，这里表示禁止，故答案为D
15. You ________ be Carol. You haven’t changed a bit after all the years.
A. must B. can
C. will D. shall
答案：A
解析：句意：你肯定是卡罗，这些年你一点也没有变化。must表示对现在的肯定推测；can表示推测，表示可能性；will表示意愿；shall表示表示决心、命令或指示。根据下文“这些年你一点用没有改变”可知，前文表示肯定性推测。故选A。
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16. It_____ have been Tom that parked the car here, as he is the only one with a car.
A. may B. can
栾怎么读C. must D. should
答案：C
解析：句意：一定是汤姆把车停在这儿的，因为他是唯一有车的人。A. may可能；B. can可能；C. must一定；D. should应该。根据as he is the only one with a car可知一定是他把车停在这里的，非常有把握的肯定推测，故选C。
17. No driving after drinking is a rule that every driver ____________ obey in our country.
A. will B. shall
C. may D. can
答案：B
解析： 句意：酒后驾车是每一位驾车者在我们国家应当遵守的规则。shall用于第二、第三人称，表示按法律或规定去做，或说话人给对话的命令、警告、允诺或威胁。故选B。
