题目内容

【题目】﹣﹣ Must we finish our homework now？

﹣﹣ ． You can leave now．

A. Yes， you mustB. Yes， you need

C. No， you mustn'tD. No， you needn't

【答案】D

【解析】

句意：——我们现在必须完成作业吗？ ——不，不用了，你现在可以走了。根据You can leave now．可知为否定回答，must的含义是必须一定，其否定形式mustn't表示禁止的含义。在这里不是禁止的意思。must的否定回答一般可借助于needn't 和don't have to来构成。故选D。

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