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1.(全国卷,32) They have arrived at lunchtime but their flight was delayed.
A.will
B.can C.must D.should
答案 D
解析：考查虚拟语气的用法。句意为“他们本该午饭时到达，但他们的航班推迟了。”will have
done将来可以完成；can have done可能做过……吗？表示对过去行为的怀疑，用于疑问句；must have
done一定做过某事，表示对过去事情的肯定推测；should have done本来应该做某事，而实际没做。but their
flight was delayed这样的结果，说明他们本来该到达却没有到达，因此选D。
2.(全国卷II,8)
If you smoke, please go
outside.
A. can B. should C. must D. may
答案 C
解析：考查情态动词的用法。句意为“如果你非得要抽烟，请到外面去抽。”must (表示主张)一定要，坚持要。根据后一句please
go outside的要求，选C。
3.（北京卷,24）——I don’t
really like James. Why did you invite him?
——Don’t worry. He come. He said he wasn’t certain what his plans
were.
A. must not B. need not C. would not D. might not
答案 D
解析：考查情态动词的用法。句意为“——我真不喜欢James。你为何请了他？——别担心。他可能来不了。他说他的计划还没安排好。”题干中的he wasn’t
certain说明他可能不来，可能来，因此使用不完全否定might not。选D。
4.（北京卷,28）——Where are the
children? The dinner’s going to be completely ruined.
——I wish they always late.
A. weren’t B. hadn’t been C. wouldn’t be D. wouldn’t have been
答案 A
解析：考查虚拟语气的用法。句意为“——孩子们哪儿去了？这顿饭快要吃不起来了。——我但愿他们不要老是迟到。”wish引出虚拟语气，题干中出现always，从句虚拟使用一般过去时。选A。
5.（北京卷,30）Maybe if I science, and not literature then, I
would be able to give you more help.
A. studied B. would study C. had studied D. was studying
答案 C
解析：考查虚拟语气的用法。句意为“或许当初我要是学了理科而不是文科，现在就能给你更多的帮助。”then表示过去的时间，if引导的从句是对过去的虚拟，因此使用过去完成时。选C。
6.（天津卷,15）I ______
sooner but I didn’t know that they were waiting for me.
A. had come B. was coming C. would come D. would have come
答案 D
解析：考查虚拟语气的用法。句意为“我本来可以早点来，但我真不知道他们在等我。”but I didn’t
know表示了过去时间，因此前句是对过去的虚拟，用主语+should / would / could / might + have done表达，故选D。
7.（上海春招,27）Some young
people these days just ______ go out of their homes to contact the real world.
A.
mustn’t B. won’t C. mightn’t D. shouldn’t
答案 B
解析：考查情态动词的用法。句意为“现在一些年轻人就是不愿意走出家门接触真正的世界。”mustn’t禁止，不允许；won’t不愿意，就是不，偏不，具有主观性；mightn’t可能不；shouldn’t不应该。根据句意选B。
8.（江苏卷,34）——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：考查虚拟语气的用法。句意为“——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，本来可能有人会偷了去。”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 过去可能做过，语气比较婉转或不肯定，根据句意选B。
9.（福建卷,25）——Shall I inform him of
the change of the schedule right now?
——I am afraid you , in case he comes late for the meeting
.
A.will B.must
C.may D.can
答案 B
解析：考查情态动词的用法。句意为“——需要我现在就通知他计划有变吗？——恐怕你得这样做，以防他开会迟到。”must (表示必要、命令或强制)必须,得。根据后半句，选B。
.（福建卷,34）——Pity you missed the lecture on nuclear
pollution.
——I it, but I was busy preparing for a
job interview.
A.attended B.had attended C.would sttend D.would have attended
答案 D
解析：考查虚拟语气的用法。句意为“——真可惜你错过了那场有关核污染的讲座。——我本可以去听的，但我当时忙于工作面试。”对过去的虚拟，用主语+should / would / could / might + have done表达，故选D。
11.（安徽卷, 26）——What do you
think of store shopping in the future?
——Personally, I think it
will exist along with home shopping but _____.
A. will never
replace B. would never replace
C. will never be
replaced D. would never be replaced
答案 C
解析：考查情态动词的用法。句意为“——你对将来的商店购物怎么看？——我个人认为会与在家购物并存，但商店购物不会被取代。”根据I think it
will exist along with home shopping，排除虚拟的选项D，这是表示将来的时间，考虑到被动语态，选C。
12.(浙江卷,11) ——How’s your new babysitter?
——We ________ask for a
better one. All our kids love her so much.
A. should B. might
C. mustn‘t D. couldn’t
答案 D
解析：考查情态动词的用法。句意为“——你的新保姆怎么样？——找不到更好的了。我们的孩子们很喜欢她。”should应该；might可能，可以；mustn‘t禁止；couldn’t不可能。根据句意选D。
13.（四川卷,20）The police
still haven’t found the lost child, but they’re doing all they .
A.can B.may C.must D.should
答案 A
解析：考查情态动词的用法。句意为“警方依然没有找到失踪的孩子，但他们现在正在做他们所能做的一切。”can可以，能够；may可能，许可；must必须；should应该。根据句意，选A。
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