That's a ruler.对 a ruler 提问.Is this an apple?改为复数句子.

That's a ruler.对 a ruler 提问.Is this an apple?改为复数句子. what's that?（ ）is a ruler That s a ruler 改为否定句 ______?That's my ruler.A.Whose ruler is it?B.What ruler is it? That's n__ a ruler.It's a pencil ...__________?...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 in english（对划线部分提问,a ruler） this is an orange（改为否定句） It's a ruler.对a ruler提问_ is it That is (a ruler) .(对括号部分提问) that is a ruler.(对划线部分提问 That is a ruler 回答 It's (a blue ruler)?对括号部分提问 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’s a pen and that’s a ruler.哪里错了 This's a map and that's a ruler.这句话哪里出错了? This 's a map and that's a ruler 这个句子肯定有问题,写了 This is a red apple.该成疑问句 lt‘s a ruler in English .对a ruler提问 A:Is that a ruler?B:Yes ( ) ( ).