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    (1)The workers a new hospital since the end of last year. (2)The workers a new hospital by the end of last year. A. have built B. have been building C. had built D. were building 【查看更多】

     

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     The workers ______ a new hospital since the end of last year

       A have built     B have been building    C had built    D were building

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    (1)The workers ________ a new hospital since the end of last year．

    (2)The workers ________ a new hospital by the end of last year．

    A．have built

    B．have been building

    C．had built

    D．were building

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