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    31．There are four answers here．I really don't know ． A．choose which one B．which one choose C．which one to choose D．to choose which one 【查看更多】

     

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    There are four answers here. I really don't know________.

    [　　]

    A．choose which
    B．to choose which
    C．which one to choose
    D．to choose which one

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    There are four answers here. I really don't know ________ .

    [　　]

    A．which to choose
    B．choose which
    C．to choose which
    D．which choose

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