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    29．The experiment shows that proper amounts of exercise, if regularly, can improve our health． A．being carried out B．carrying out C．carried out D．to carry out 【查看更多】

     

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    The experiment shows that proper amounts of exercise, if         regularly, can improve our health．

    A．being carried out       B．carrying out       C．carried out      D．to carry out

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     The experiment shows that proper amounts of exercise, if         regularly, can improve our health．

           A．being carried out                                  B．carrying out      C．carried out   D．to carry out

     

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    The experiment shows that proper amounts of exercise, if ________ regularly, can improve our health．

    [　　]
    A．

    being carried out

    B．

    carrying out

    C．

    carried out

    D．

    to carry out

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    The experiment shows that proper amounts of exercise, if _________ regularly, can improve our health．

    [　　]

    A．being carried out

    B．carrying out

    C．carried out

    D．to carry out

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    The experiment shows that proper amounts of exercise, if ________ regularly, can improve our health．

    [　　]
    A．

    carried out

    B．

    carrying out

    C．

    being carried out

    D．

    to carry out

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