问题描述: I know your schoolbag is black.和I think your hat is on the bed.改为否定句 1个回答 分类:英语 2014-11-08 问题解答: 我来补答 I donot know your schoolbag is black 再答: I donot think 后面照抄再问: 有没有一漂 再答: don撇t 展开全文阅读