题目内容

--- Must I finish my homework now?
-- No, you ________. You can go home now.
A．needn’tB．mustn’tC．shouldn’tD．can’t
A
must的含义是必须一定，其否定形式mustn’t表示禁止的含义。故must的否定回答一般借助于needn’和don’t have to来构成。句意：我必须现在就完成我的作业吗？——不，你不必。现在你可以回家。结合语境及所给选项，可知选A。
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