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    Great changes in the city in the past 20 years, and a lot of factories . A. have been taken place; have been set up B. have taken place; have set up C. have taken place; have been set up D. were taken place; were set up 【查看更多】

     

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    Great changes ________ in the city in the past 20 years, and a lot of factories ________．

    [　　]
    A．

    have been taken place; have been set up

    B．

    have taken place; have set up

    C．

    have taken place; have been set up

    D．

    were taken place; were set up

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