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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】

 

題目列表(包括答案和解析)

--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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