问题描述： 直到妈妈回来他才不哭了用英语怎么翻译 1个回答 分类：英语 2014-12-14 问题解答： 我来补答 He didn't stop crying until his mum came back. 再问： 为何不用He isn't再问： 告诉我嘛 再答： 因为stop是动词，构成否定要用助动词don't/doesn't/didn't因为整句都是过去时语境所以用didn't望采纳再问： Thank you 展开全文阅读
