You needn't ____ the work at once

You needn't ____ the work at once you needn't clean it for the work is too ____(tire) 为什么用tiri i can't go to the film with you because this work ()at once. Must I do my homework at once?No,you ______.A.needn't The students needn't hand in their homework at once.改写句子,句意不 You needn't finish your work now. you needn't _____(work) late tonight. You ____ come late.Classes begin at eight.A.needn't B.mustn' you ____ play games in the busy street A mustn't B needn't C hurry up ,or you ____ catch the train .A.can't B.needn't C.m It's ( )to work out this problem .You needn't go to the teac It is_______ to work out this problem .You needn't go to the