问题描述： She did her homework at home by herself.改成一般疑问句 1个回答 分类：英语 2014-11-29 问题解答： 我来补答 She did her homework at home by herself.改成一般疑问句Did she do her homework at home by herself?她在家是自己独立做作业的吗? 展开全文阅读
