问题描述： I usually do my homework after supper.否定句怎么改? 1个回答 分类：英语 2014-09-23 问题解答： 我来补答 I don't usually do my homework after supper. 再问： 疑问句呢 再答： Do you usually do your homework after supper? 再答： 一定要采！ 再答： That's OK! 展开全文阅读
