问题描述： where were you yesterday的否定句怎么写?英语 1个回答 分类：英语 2014-10-18 问题解答： 我来补答 I weren't at school yesterday. 再问： 原来是这样写的，谢谢啦O(∩_∩)O谢谢！ 展开全文阅读
