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    It 6 years since we left middle school. A. was B. had been C. has been D. were 【查看更多】

     

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    It ___ 6 years since we left middle school.

    A. was          B. had been         C. has been         D. were

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    It ________ 6 years since we left middle school．

    [　　]
    A．

    was

    B．

    had been

    C．

    has been

    D．

    were

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