Boss,must I finish typing this letter today?No,you__.You may finish it tomorrow.
A.needn't B.mustn't C.don't D.won't
人气：158 ℃ 时间：2019-10-19 21:54:09
解答
needn't
用must来提问,如：Boss,must I finish typing this letter today?
肯定回答：Yes, you must.
否定回答：No,you need't. 或： No, you don't have to.
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