题目内容
【题目】My brother _______ as an engineer since he returned from America years ago.
A.has workedB.had workedC.was workingD.will work
【答案】A
【解析】
句意:我哥哥几年前从美国回来后一直当工程师。
A. has worked现在完成时;B. had worked过去式完成时;C. was working过去进行时;D. will work一般将来时。短语work as…表示作为……;根据since he returned from America years ago.可知,这里是since引导的时间状语从句,主句用现在完成时,其结构式have/has done的形式。主语是单数,助动词用has。根据题意,故选A。
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