22.--The light in Mr.Wang’s room is on.I am sure he now. ---I agree.He usually stays up late every night. A.might work B.must be working C.must work D.can be working 查看更多

 

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--The light in Mr.Wang’s room is on.I am sure he______________ now.

---I agree.He usually stays up late every night.

A.might work    B.must be working    C.must work    D.can be working

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