英语题目You needn't hand in your homework now needn't 可用哪个词代替?A.

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英语题目
You needn't hand in your homework now needn't 可用哪个词代替?
A.are not necessary to B.don't have to
C.mustn't D.can't
正确答案是B 主要要详解!

情态动词表示不必要时,用 needn't do或don't have to,表必要时用must.
这是固定用法,记住即可.
还有can't表示不可能,mustn't表示严禁做某事.must的否定不用于表必要性.

Must we hand in our homework now?No,you needn't.解释一下为什么要用nee You needn't ------（finish）your homework now You needn't finish your work now. We needn't hand in our homework now.(保持原句意思) We _____ ______ 英语may的用法－Must I hand in my homework today?--no,you needn't.y 1,You needn't finish your homework now. You_____ _____ _____ _____ i finish my homework now?no,you needn't.a.must b.may c Must I finish my homework right now?----No,you?A.needn't&nbs The students needn't hand in their homework at once.改写句子,句意不 John,you needn't do your homework today,and you _____do it t May I use your car?No,you A.can`t B.mayn`t C.needn`t选哪个填空 ___（must)l___(finish)my homework now?---- NO,you needn't.