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    31．It was only several days he realized the truth that he had been affected with AIDS． A．until B．since C．before D．as 【查看更多】

     

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    It was only several days ______ he realized the truth that he had been affected with AIDS．

    A．until         B．since        C．before          D．as

    查看答案和解析>>

    It was only several days ______ he realized the truth that he had been affected with AIDS.

          A．before                B．since                   C．until                   D．as

    查看答案和解析>>


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