问题描述：
选词填空并详细说明理由.
May I do the rest of the work tomorrow?Yes,of course.You____finish it today.
a.mustn't b.needn't c.can't d.shouldn't
May I do the rest of the work tomorrow?Yes,of course.You____finish it today.
a.mustn't b.needn't c.can't d.shouldn't
问题解答：
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