题目内容
9.Mr Chen _______ there since he graduated from high school.( )| A. | has worked | B. | worked | C. | works | D. | will work |
分析 陈老师自从高中毕业就在那里工作.
解答 答案:A.结合since he graduated from high school可知表达的动作发生在过去,持续了一段时间,故用现在完成时have/has+过去分词,主语Mr Chen,故has,故答案是A.
点评 现在完成时表示过去发生的动作对现在造成的影响或结果或表示过去的动作或状态持续到现在.它的构成是:主语+have/has+动词的过去分词.
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