29.-Is Li Ming in the classroom? -No.he there.I saw him in the reading room just now. A.can’t be B.mustn’t be C.needn’t be D.is 查看更多

 

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--Is Li Ming in the classroom'?

--No,he ______ there.I saw him in the reading room just now.

A.can't be            B.mustn't be          C.needn't he          D.can't

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