He ______ have finished his work; otherwise, he wouldn’t be enjoying himself by
题型：不详难度：来源：
He ______ have finished his work; otherwise, he wouldn’t be enjoying himself by the seaside.| A．should | B．must | C．need | D．can |
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答案
| B |
解析
| 考查情态动词表推测的用法。句意“他一定已经完成作业了，不然，他他不可能正在海边玩。”should have done“本应该做某事”；must have done“一定已经做了某事”；can have done“可能已经做了某事”。本题表肯定的推测。故选B。 |
举一反三
. ---I am going to see the victim’s brother.
--- I’d rather you ___________.| A．didn’t | B．don’t | C．shouldn’t | D．hadn’t |
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It is suggested that such a law ______.| A．needn’t be passed | B．mustn’t be passed | C．not be passed | D．will be passed |
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We have been excavating layers of ash almost six metres thick, which suggests that they________the fire burning all winter.| A．should keep | B．might have kept | C．should have kept | D．might keep |
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.He _____have solved all his probems; otherwise, he wouldn’t be so relaxed.| A．should | B．must | C．wouldn’t | D．can’t |
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It is strange that such a thing____ in your school.| A．should happen | B．would happen | C．will happen | D．happened |
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