题目内容

15.-Is this your new bike?
-No,it's my mother's.She_______ it for half a year.(  )
A.has boughtB.has hadC.has borrowedD.has lent

分析 ---这是你的新自行车吗?
---不,是我妈妈的,她买了半年了.

解答 答案:B.结合for half a year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she,故has,buy,borrow,lend是短暂性动词,不能与一段时间连用,故用have,过去分词had,故答案是B.

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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