Mr．Zhang as an engineer since he came to the computer company in 2008．( )A．worksB．workedC．has workedD．had worked 题目和参考答案——青夏教育精英家教网—

题目内容

15．Mr．Zhang ________ as an engineer since he came to the computer company in 2008．（　　）

A．

works

B．

worked

C．

has worked

D．

had worked

分析自从张先生在2008年来到这个电脑公司，他就是一名工程师了．

解答答案：C 根据题意可知"自从张先生在2008年来到这个电脑公司，他就是一名工程师了"表示从过去某时开始一直延续到现在的动作或状态，所以主句用现在完成时，其构成形式：have/has+动词的过去分词，主语是单数第三人称，因此助动词为has．故选C．

点评现在完成时，表示从过去某时开始一直延续到现在的动作或状态．常与表示一段时间的for短语、since短语或从句等连用时，应注意句中的谓语动词须是延续性的．分析考查固定句型：主句（运用现在完成时）+since+从句（一般过去时）．

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