题目内容
8.Mr.White a teacher for about ten years.( )| A. | has been | B. | was | C. | is | D. | had been |
分析 怀特先生当了大约十年的老师了.
解答 答案:A.结合for about ten years可知动作发生在过去,持续了一段时间,故用现在完成时have/has+过去分词,主语Mr.White故has,故答案是A.
点评 现在完成时有两种用法1.过去发生的某一动作对现在造成的影响或结果或到现在为止已经发生或完成的动作.2.表示过去发生的、持续到现在的动作或状态.
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