问题描述: 是He doesn't return the book back.还是He doesn't return back the book. 1个回答 分类:英语 2014-10-30 问题解答: 我来补答 He doesn't return the book .不加back,因为 ruturn 已经包含了back 的意思.return sth.to sb.把……还给某人加油! 再问: 在写作文,多加个back 就多了一个词! 展开全文阅读