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    One third of the land covered with ice. A. are B. is C. were D. have been 【查看更多】

     

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    One third of the land _______ covered with ice.

    [　　]

    A．are
    B．is
    C．were
    D．have been

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    One third of the land _______ covered with ice.

    [　　]

    A．are
    B．is
    C．were
    D．have been

    查看答案和解析>>


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