问题描述： Tom taught in the school two years ago同义句 1个回答 分类：英语 2014-10-09 问题解答： 我来补答 Tom has taught in the school for two years.Tom has taught in the school since two years ago.Tom has been teaching in the school for two years.Tom has been teaching in the school since two years ago. 展开全文阅读
