情态动词和虚拟语气专项练习100题（一）
1. Liza well not want to go on the trip—she hatestraveling.
A.will B.can C.must D.may 答案 D
解析 句意为：Liza极有可能不想去旅行——她讨厌旅行。may well很可能，极有可能，表示猜测。当表示猜测时，will和can不能与well连用，must只能用于肯定句中。
2. John promised his doctor he not smoke， and he has never smoked ever since.
A.might B.should C.could D.would答案 D
解析 句意为:约翰答应医生他不再吸烟，从那以后，他再也没有吸过烟。由句意可知空格处表示允诺，故应选择D项。
3. She have left school， for her bike is still here.
A.can’t B.wouldn’t C.shouldn’t D.needn’t
答案 A解析 句意为：她不可能离开了学校，因为她的自行车仍然在这儿。can’t表示不可能；wouldn’t have done表虚拟；shouldn’t have done本不该做(却已做了）；needn’t have done本没必要做(但已做了）。
4. What a pity!Considering his ability and experience， he better.
A.need have done B.must have done
C.can have done D.might have done 答案 D
解析 句意为：太遗憾了！鉴于他的能力和经验，他本可能做得更好。need have done本来有必要做（而没做）；must have done是对过去发生的事情的肯定的推测，表示“过去一定做了”；can have done是对过去发生的事情的不肯定的推测；might have done表示“本来可以”。
5. You don’t have to know the name of the author to find a book.You find the book by the title.
A.must B.need C.can D.would
答案 C解析 句意为：要到一本书你不一定非要知道作者的名字。你可以根据书的标题到这本书。can表示“可以，能够”。
6.—What sort of house do you want to have? Something big?
—Well， it be big—that’s not important.
A.mustn’t &dn’t C.can’t D.won’t
答案 B解析 句意为：“你想要什么样的房子？要大的吗？”“噢，它不需要很大，那不重要。”由...that’s not important.这一语境可知，空格处应表示“不需要”，故须用needn’t。
7. Although this sound like a simple task，great care is needed A.must B.may C.shall D.should
答案 B解析 句意为：尽管这听起来可能像一项简单的任务，但是需要非常仔细。must一定，必须；may可能，可以；shall将要；should应该。各自表达的意义不同，选may最妥当。
8.—I can’t find my purse anywhere. —You have lost it while shopping.
A.may B.can C.should D.would
答案 A解析 may表达推测之意，意为“可能……”。
9.You be hungry already— you had lunch only two hours ago
A.wouldn’t B.can’t C.mustn’t D.needn’t
答案 B解析 句意为：你不可能饿了，你两个小时之前才吃的午饭！can’t指不可能；mustn’t表猜测时，不能用于否定句；Needn’t指没有必要。
10. It is usually warm in my hometown in March，but it be rather cold sometime
A.must B.can C.should D.would
答案 B解析 must必然，一定；can可能；should应该；would（过去）将，总会。本题提供的语境是“有时可能会……”。
11. Some people who don’t like to talk much are not necessarily shy；they just be quiet people.
A. must B. may C. should D. would答案 B
12. One of the few things you ____ say about English people with certainty is that they talk a lot about the weather.
A. need B. must C. should D. can答案B
13. ( But for the help of my English teacher, I the first prize in the English Writing Competition.
A. would not win B. would not have won C. would win D. would have won
答案B 解析 虚拟语气。此处虚拟语气表示与过去事实相反，句子谓语动词用sort of things什么意思would/should/could/might + have done结构，故选B
14.— It’s the office! So you know eating is not allowed here. — Oh, sorry.
A. must B. will C. may D. need
答案A 解析 句意为：这是办公室！因此你必须知道吃的不允许带到这里。must表示“绝不”的意思。
15. 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 你这是什么意思，只有十张票吗?应该有十二人。should表示“应该，应当”。
16. It_____ have been Tom that parked the car here, as he is the only one with a car.
A. may B. can C. must D. should答案 C
17. —I don’t care what people think. —Well, you _______
A. could B. would C. should D. might
答案 C解析 考查情态动词的用法。答话的人提了一个建议——你应该关注别人对你的评价的。
should可以用来向别人提建议，所以答案为：C
18. This printer is of good quality. If it ____ break down within the first year, we would repair it at our expense.
A. would B. should C. could D. might答案 B
19. —Hi, Tom. Any idea where Jane is?
—She_____in the classroom. I saw her there just now.
A. shall be B. should have been C. must be D. might have been
答案C
20. I can’t leave. She told me that I stay here until she comes back.
A. can B. must C. will D. may 答案
21. Peter be really difficult at times even though he’s a nice person in general.
A.shall B.should C.can D.must
答案 C解析 句意为：虽然彼得总体上来说是一个好人，但有时真的难以相处。can在这里不表示主观的推测，而表示客观的可能性。
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