问题描述： we got back to beijing by plane.改否定句 疑问句并做出肯定 否定 回答 1个回答 分类：英语 2014-10-04 问题解答： 我来补答 We did't get back to beijing by planeDid you get back to beijing by plane?Yes,we didNo,we didn't 展开全文阅读
