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    ( ) I’m sorry I’ve kept you for so long. A. wait B. waiting C. work D. to work 【查看更多】

     

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    I'm sorry I've kept you _______ for so long.
    [     ]
    A. wait
    B. waiting
    C. work
    D. to work

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    I'm sorry I've kept you ________ for so long.

    [　　]

    A． waiting　　　　　　B．wait

    C．to wait　　　　　 　D．waited

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