问题描述： 3 years before=3 years ago?thank you 1个回答 分类：英语 2014-10-21 问题解答： 我来补答 比较一下下面句子：3 years before his father died they had quarreled over the house3 years ago I was still living in London还有：It was 3 years earlier that she disappeared from the scene用法不一样 :) 展开全文阅读
