题目内容

--Must I renew the book now?

--No, you ____. You ____ that before the deadline.

[  ]

A.mustn't; should to

B.needn't; should have done

C.may not; should do

D.can't; should have done

答案:
解析:

Can't在此表示禁止,意为“不可以、不能”。Should have done对应该做而未做的事表示责备。答句意思是:“不,不可以。你本应该到还书的最后期限来续借的”。


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