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    ? -The lights in the classroom are still on.

    ??????? -Sorry. I’ll go and ______.

    A. turn them on???? B. turn them off????? C. turn them down?????? D. turn them up

     

    【答案】

    B

    【解析】

    试题分析：句意:-教师里的灯还亮着。-对不起，我去把它们关掉。turn on 打开；turn off 关掉；turn down 把声音关小；拒绝；turn up 把声音开大；出现。根据句意可知选B。

    考点：考查动词短语。

     

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