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    ( ) Mother giant pandas have only one or two babies . A. at a time B. at the time C. at this time D. at that time 【查看更多】

     

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    Mother giant pandas have only one or two babies             .
    [     ]
    A. at a time
    B. at the time
    C. at this time
    D. at that time

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    ---Do you know mother giant pandas have only one or two babies ?

    ----Sorry，I don’t know．

    A．at a time B．at time C．at times D．at that times

     

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    －Do you know mother giant pandas have only one or two babies ________?

    －Sorry, I don’t know．

    [　　]

    A．at a time

    B．at the time

    C．at this time

    D．at that time

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