题目内容
5.The Greens _________ in China since 1999.They are having a happy life.( )| A. | have lived | B. | has lived | C. | are living | D. | lived |
分析 格林一家人自从1999年就住在中国,他们的生活很快乐.
解答 答案:A.
结合since 1999可知动作发生在过去,对现在造成一定的影响,故用现在完成时have/has+过去分词,主语the Greens复数,故have,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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