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    ― did the important meeting ? ― For about two hours.A. When; begin B. How long; begin C. When; last D. How long; last 【查看更多】

     

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    －________ did the important meeting ________?

    －For about two hours．

    [　　]

    A．When; begin

    B．How long; begin

    C．When; last

    D．How long; last

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