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    ( ) This is school. There are five grades in .A. we; it B. us; its C. our; it D. our; its 【查看更多】

     

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    This is ______ school．There are five grades in ______．　　　

    [　　]

    A．we, it　　　B．us, it's

    C．our, it　　　D．our, its

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