I first met Mr. Smith in America. He ______ at Stanford University then.A.studiedB.has studiedC.is s

题目简介

I first met Mr. Smith in America. He ______ at Stanford University then.A.studiedB.has studiedC.is s

题目详情

I first met Mr. Smith in America. He ______ at Stanford University then.
A.studiedB.has studied
C.is studyingD.was studying
题型:单选题难度:偏易来源:不详

答案

D
由关键词:then推出过去进行时。

更多内容推荐