问题描述： HOW long have you been studying english 怎么回答 1个回答 分类：英语 2014-10-10 问题解答： 我来补答 I've been studying English for xxx.xxx 是多久了.I've been studying English since yyy.yyy 是开始学英语的时候.两个都行. 展开全文阅读
