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    Did he write all the articles or did someone help him? A. in person B. in a person C. in the person D. in persons 【查看更多】

     

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    Did he write all the articles ______ or did someone help him?

    A．in person

    B．in a person

    C．in the person

    D．in persons

     

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    Did he write all the articles ________ or did someone help him?

    [　　]

    A．in person

    B．in a person

    C．in the person

    D．in persons

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