—Mustwecleantheclassroomnow?  —No,youneedn't.It 

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问题详情:

 —Mustwecleantheclassroomnow?  —No,youneedn't.It 

 — Must we clean the classroom now?

— No, you needn't. It _____ after school.

A. may clean     B. must clean          C. need be cleaned        D. can be cleaned


【回答】

D

知识点:情态动词

题型:选择题

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