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    29．----- Has Jim come back? ----- Not yet. He must have been enjoying himself there, otherwise he so long. A．can’t have stayed B．wouldn’t have stayed C．needn’t have stayed D．shouldn’t have stayed 【查看更多】

     

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    ----- Has Jim come back?

    ----- Not yet. He must have been enjoying himself there, otherwise he _____ so long.

    A．can’t have stayed                     B．wouldn’t have stayed

    C．needn’t have stayed               D．shouldn’t have stayed

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