问题描述: this is a yellow ruler.(对划线部分提问)a yellow ruler。是划线部分 1个回答 分类:英语 2014-12-02 问题解答: 我来补答 1.对a yellow ruler提问:what is this?2.对yellow提问:what color is this ruler? 再问: my jacket is white. (对划线部分提问:white)() ()isyour jacket 再答: 答案:What color 展开全文阅读