that is a ruler.(对划线部分提问

that is a ruler.(对划线部分提问 this is a yellow ruler.（对划线部分提问）a yellow ruler。是划线部分 This is a red ruler对划线部分提问划线部分：a red ruler that’s a ruler in english（对划线部分提问,a ruler） this is an orange（改为否定句） 对划线部分提问：划线部分：a ruler 向题：it is a ruler under the对划线部分提问：划线部分：a ruler 向题：it is a ruler under the desk That's a ruler.对 a ruler 提问.Is this an apple?改为复数句子. That is (a ruler) .(对括号部分提问) That is a ruler 回答 This is a ruler【对划线部分提问[a ruler]】 —— —— —— ——? There is a ruler in the bag.ruler画线,对划线提问：（）（）in the bag? This is a ruler and That a ruler ,too和That is aruler and This is a ruler,too那个对,为什么 This is a ruler.(对划线部分提问)对不起,打错了This is (a ruler).对划括号部分提问 A:Is that a ruler?B:Yes ( ) ( ). This is a ruler(对a ruler提问) ----- -----this? ______?That's my ruler.A.Whose ruler is it?B.What ruler is it? what's that?（ ）is a ruler That is a ruler .改为否定回答 That is a ruler.改为一般疑问句