问题标题:
Boss,mustIfinishtypingthislettertoday?No,you__.Youmayfinishittomorrow.A.needn'tB.mustn'tC.don'tD.won't
问题描述:

Boss,mustIfinishtypingthislettertoday?No,you__.Youmayfinishittomorrow.

A.needn'tB.mustn'tC.don'tD.won't

陈增吉回答:
  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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