题目内容

  -May I go now?

  -No, you ________. You ________ stay here.

[  ]

A.needn't, have to
B.needn't, must
C.mustn't, have to
D.mustn't, has to
答案:C
解析:

may引导的一般疑问句作否定回答时,不用may not,而要用mustn't或can't.


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