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    You see, there’s no light on in the classroom.there be anybody studying there now. A. can’t B. mustn’t C. needn’t D. mayn’t 【查看更多】

     

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    You see, there’s no light on in the classroom，there         be anybody studying there now.

    A. can’t                                                      B. mustn’t        

    C. needn’t                                                   D. mayn’t

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