问题描述: We visited Beijing last summer vocation.改成否定句 改为一般疑问句 作否定回答 1个回答 分类:英语 2014-10-05 问题解答: 我来补答 1.We didn't visit Beijing last summer vacation.2.Did you visit Beijing last summer vacation?- No,we didn't. 再问: 对last summer vocation提问 再答: When did you visit Beijing? 展开全文阅读