问题描述: he was watching tv at nine yesterday evening改否定句,疑问句,并做肯否回答. 1个回答 分类:英语 2014-11-22 问题解答: 我来补答 He wasn‘t watching tv at nine yesterday evening.Was he watching tv at nine yesterday evening?Yes,he was. No,he wasn't. 展开全文阅读