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    ----The computer is still on,could you have forgotten to turn it off? ----Yes,I . A.could have B.could C.must D.might have 【查看更多】

     

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    ----The computer is still on,could you have forgotten to turn it off?

    　 ----Yes,I　　 .

    A、could have　　 B、could　　 C、must　　 D、might have

     

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