问题描述: It is never too old to learn的反义疑问句顺便讲解下, 1个回答 分类:英语 2014-11-16 问题解答: 我来补答 It is never too old to learn,is it?主句里面有“never”,表示否定,反义疑问句用肯定. 展开全文阅读