问题 选择题

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

A.works

B.worked

C.has worked

D.had worked

答案

答案:C

题目分析:句意: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。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),主语是单数第三人称,因此助动词为has.故选C

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