问题描述: That‘s a ruler.(改为一般疑问句) Is this your book?(作回答) It is my ID card(改为否定句) 1个回答 分类:英语 2014-11-24 问题解答: 我来补答 Is that a ruler?Yes,it is.No,it isn't.It isn't my ID card. 展开全文阅读