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    We the manager, but no one his telephone number. A. could have called, knew B. could have called, had known C. could call, had known D. could call, knew 【查看更多】

     

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    We ________ the manager, but no one ________ his telephone number.

    [　　]

    A．could have called;knew

    B．could have called;had known

    C．could call;had known

    D．could call; knew

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