问题描述： The boy never finishes the work by himself.改为反意疑问句 1个回答 分类：英语 2014-12-07 问题解答： 我来补答 The boy never finishes the work by himeself,does he?反意疑问句,因为前面表示否定,所以后面要用肯定,即does he 展开全文阅读
