问题描述： since then 与since ever有什么区别? 1个回答 分类：英语 2014-12-09 问题解答： 我来补答 没有since ever,应该是ever since.没有用法区别.He has been coughing ever since he started to smoke.He started to smoke.Since then,he has been coughing. 展开全文阅读
