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    8．I ________ many interesting lectures since I came to this school．（　　）
    A．attendedB．had attendedC．am attendingD．have attended

    分析 自从我来者个学校，我已经参加了许多有趣的演讲．

    解答 答案D．根据 since I came to this school可知attend这个动作从过去到现在发生了很多次，因此谓语用现在完成时，所以答案是D．其他选项的时态分别是A一般现在时；B过去完成时；C现在进行时．

    点评 考查现在完成时．
    现在完成时还可以用来表示过去的一个时间到现在这段时间内重复发生的动作．
    We have had four texts this semester．

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