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    精英家教网 > 高中英语 > 题目详情
    9．She _____ concerts every day since last week．（　　）
    A．was performingB．has performed
    C．has been performingD．had performed

    分析 从上周末她每天都在进行音乐会的演出．

    解答 答案：C．根据时间状语every day since last week可知音乐会的演出从过去开始一直持续到现在，而且现在每天都在进行，所以用现在完成进行时，因此答案是C．D项是现在完成时，不强调现在正在进行．

    点评 考查现在完成进行时．perform作为动词，主要分三层：

    1．vt．&vi．上演（戏）；扮演（角色）；演奏（乐器）
    如：When will the play be performed？那出戏什么时候上演？
    2．vt．做/进行；完成/履行
    perform one's promise 履行承诺
    3．vi．运转；行动
    如：The machine performs/works well．机器运转良好．

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