题目内容

-Must I finish the exercise this afternoon, Mr Wang?

-Yes, you ________, but you ________ finish it now.

[  ]

A.must, mustn't
B.must, don't have to
C.may, needn't
D.may, mustn't
答案:B
提示:

  解题点拨

  对情态动词must所引导的一般疑问句,肯定回答用must,否定回答用needn't.


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