问题描述: 1改为一般疑问句 2改为复数句 3改为否定句 4改为肯定回答 5对画线句子提1改为一般疑问句 2改为复数句 3改为否定句 4改为肯定回答 5对画线句子提问 1个回答 分类:英语 2014-10-10 问题解答: 我来补答 Is that a book? 再答: Those are books 再答: That isn't a book 再答: Yes,that is 再答: What is that? 展开全文阅读