I was really anxious about you. You _______ home without a word.A.mustn’t leaveB
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I was really anxious about you. You _______ home without a word.A.mustn’t leave | B.shouldn’t have left | C.couldn’t have left | D.needn’t leave |
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答案
B |
解析
本题考查should have done 的用法。should have done只用于谈论过去情况,指本该发生而实际上未发生的情况。shouldn’t have done表示"本来不应该做某事,而实际做了”。含有指责对方或自责的含意;couldn"t have done 只表推测,相当于 can"t have done意为:“过去不可能做了某事.”。 |
举一反三
I ______ her, but I never could.A.ought to help | B.must help | C.ought to have helped | D.must have helped |
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—Hi, Johnson, any idea where Susan is? —It"s class time, so she in the classroom now.A.can be | B.must have been | C.might have been | D.should be |
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Mary __________ the job he offered to her, but she didn’t.A.can’t take | B.ought to have taken | C.should take | D.must have taken |
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--- Are you in a hurry? --- No, in fact, I’ve got plenty of time. I _______ wait. |
—Are you going to help him? —Why ___ I help him? He" s never done anything for me.A.would | B.could | C.might | D.should |
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