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

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

出自：河南大学大学英语

提示：
每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10253414】个 (题库试题定时更新)