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    The room is in a terrible mess; it cleaned. A. can’t have been B. couldn’t be C. mustn’t be D. mustn’t have been 【查看更多】

     

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    31. The room is in a terrible mess; it _______ cleaned.

       A. can’t have been                      B. shouldn’t have been

       C. mustn’t have been                    D. wouldn’t have been

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    The room is in a terrible mess; it __________ cleaned.

      A. can’t have been       B. couldn’t be        C. may have been        D. would be

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    The room is in a terrible mess; it _______ cleaned.

        A. can’t have been B. couldn’t be C. may have been  D. would be

     

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     The room is in a terrible mess; it ______ cleaned.

        A. can’t have been                B. couldn’t be              C. mustn’t be                      D. mustn’t have been

     

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    The room is in a terrible mess; it ________ cleaned.

    [　　]

    A．can't have been
    B．couldn't be
    C．may have been
    D．would be

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