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    10．I'm sorry to keep you for a long time． 【查看更多】

     

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    I'm sorry to keep you ________ for a long time．

    [　　]

    A．wait

    B．waited

    C．waiting

    D．to wait

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    用所给动词的适当形式填空

    I’m sorry to keep you ________ for a long time．(wait)

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