题目内容
－Must I finish the exercise this afternoon?
－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
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题目内容
－Must I finish the exercise this afternoon?
－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