问题描述： 如何对be doing sth when造句 1个回答 分类：英语 2014-12-05 问题解答： 我来补答 I was doing eighty when I overtook you.我刚才是以每小时八十英里的速度追上你的.What was Linda doing when Davy ran away?当戴维跑开的时候,琳达正在做什么? 展开全文阅读
