题目内容

【题目】Mike began to work in the factory in 2013. He ______ there for four years.

A. is workingB. was workingC. worksD. has worked

【答案】D

【解析】

句意:迈克2013年开始在这个工厂工作,他在那儿工作4年了。A. is working 现在进行时态结构;B. was working过去进行时态结构;C. works一般现在时态的结构;D. has worked现在完成时态结构;根据for four years.可知用现在完成时态;故选D

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