问题描述: I have some books in my backpack.变否定句 1个回答 分类:英语 2014-12-10 问题解答: 我来补答 这里没有助动词,所以应加don't,而some在否定句中应变为any 所以结果是 I don't have any books in my backpack 展开全文阅读