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    24．The number of smokers fallen 30% this year, compared with last year. [ ] A．have; by B．has; by C．has; at D．have; at 【查看更多】

     

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    The number of smokers ________ fallen ________ 30% this year, compared with last year.

    [　　]

    A．have, by
    B．have, at
    C．has, by
    D．has, at

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    The number of smokers ________ fallen ________ 30% this year, compared with last year.

    [　　]

    A．have, by
    B．have, at
    C．has, by
    D．has, at

    查看答案和解析>>


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