That is (a ruler) .(对括号部分提问)

That is a ruler 回答 A:Is that a ruler?B:Yes ( ) ( ). ______?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 That is a ruler 变为否定句 That is a ruler作复数句 This is a long ruler,and that is a short( )A.it B.one C.ruler ...__________?...That,s Tom,s ruler. A .Who ,s tom,s ruler? B Whose ruler is it? C What ruler is that? 请问 应该选哪个? That's a ruler.对 a ruler 提问.Is this an apple?改为复数句子. 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 that is a ruler一般疑问句、肯定回答 That is (a ruler) .(对括号部分提问) that is a ruler.(对划线部分提问 Is that a ruler?(改为复数句） Is it a ruler? This is a blue jacket.And that ruler is bThis is a blue jacket.And that ruler is blue.为什么要用a blue和blue?