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    Ben is unhappy, he got a C in the math test. A. because B. before C. if D. when 【查看更多】

     

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    Ben is unhappy, ________ he got a C in the math test．

    A．because                  B．before                     C．if               D．when

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    Ben is unhappy, ________ he got a C in the math test．

    [　　]
    A．

    because

    B．

    before

    C．

    if

    D．

    when

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