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    精英家教网 > 高中英语 > 题目详情

    【题目】Hey, you ________ at the computer all day. You should really take a break now.

    A.have been sittingB.were sitting

    C.did sitD.are sitting

    【答案】A

    【解析】

    考查现在完成进行时态。句意：嘿，你整天都坐在电脑前。你现在真的应该休息一下。结合句意可知，表示从过去开始一直进行的动作，用现在完成进行时态，故选A。

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