以下试题来自:专升本英语题库

单项选择题I was giving a talk to a large group of people, the same talk I()to half a dozen other groups before.

A.was giving
B.am giving
C.had given
D.have given

为您推荐的考试题库 专升本考试题库

您可能感兴趣的试卷

你可能感兴趣的试题