Tom ____his homework yesterday, because he was in hospital all day.A.can’t finis
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Tom ____his homework yesterday, because he was in hospital all day.A.can’t finish | B.couldn’t finish | C.couldn’t have finished | D.mustn’t finish |
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答案
C |
解析
试题分析:考查情态动词表示推测。根据第二句的过去时,说明是对过去的推测,使用“情态动词+have done”对过去的情况进行推测。如果是对现在情况的推测,使用“情态动词+动词原形”;句意:Tom不可能完成他的家庭作业,因为他整体都住院。故C正确。 点评:使用“情态动词+have done”对过去的情况进行推测。如果是对现在情况的推测,使用“情态动词+动词原形”; |
举一反三
—I’m sorry. I at you at the other day. — Forget it. I was a bit out of control myself.A.shouldn’t shout | B.shouldn’t have shouted | C.mustn’t shout | D.mustn’t have shouted |
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She _____ your birthday party, but she had to look after her mother in hospital.A.should attend | B.ought to have attended | C.can have attended | D.must have attended |
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Can you imagine that a smart man like him ___________ make such a stupid mistake?A.might | B.should | C.would | D.need |
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I told Sally how to get here, but perhaps I ___ for her.A.had to write it out | B.must have written it out | C.should have written it out | D.ought to write it out |
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