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    I’m very sorry to keep you for a long time. A. waiting B. to wait C. waited D. wait 【查看更多】

     

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    I'm very sorry to keep you______ for a long time.
    [     ]
    A. waiting    
    B. to wait      
    C. waited      
    D. wait

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    I’m very sorry to keep you _____ for a long time

    A. wait        B. waits       C. waiting       D. to wait

     

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