求can't\mustn't\won't\needn't的用法 这些词的用法怎么样啊? 比如这题：Is jack on duty today? ---It ___be him ;It's his turn tomorrow A.mustn't B .won't C.can't D.needn't
人气：159 ℃ 时间：2019-10-19 12:55:48
解答
mustn't 只能表禁止~~~~~这是中考的一个考点. won't表不会发生···表推测~~~~~~ can't很多了~1,表能力,不会做···2,表推测,不可能（把握性为百分之百）3,表不允许··· needn't不需要```这里的need是情态动词 有一道中考题常考：甲：Must I finish my homework? 乙：No,you needn'd/don't need to/don't have to 切记：不能用mustn't~~~~~~~~
