问题描述： They're helping Mother with the housework.（改为附加疑问句） 1个回答 分类：英语 2014-09-25 问题解答： 我来补答 They're helping Mother with the housework,aren't they 注：前肯后否.如果不明白,请再问；如果对你有所帮助,请点击本页面中的“选为满意回答”按钮, 展开全文阅读
