问题 更新时间2023/4/3 12:59:00 I was giving a talk to a large group of people,the same talk I ___to half a dozen other groups before. 选择一项:A. had givenB. was givingC. am giving 答案 登录 注册 译文:我给一个大团体进行讲座,同样的讲座之前我给其他一些团体讲过。 正确答案是:had given 出自:国家开放大学 >> 人文英语4