It's a ruler.对a ruler提问_ is it

It's a ruler.对a ruler提问_ is it It's (a blue ruler)?对括号部分提问 it's a ruler?改复数句 it*s a ruler怎样变成问句 It's a yuor ruler 修改病句 ______?That's my ruler.A.Whose ruler is it?B.What ruler is it? That's n__ a ruler.It's a pencil Is it a ruler? This is a rule .It's a rule .哪句话更地道 ...__________?...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. It's a ruler .就划线部分提问 IT's a blue ruler改为同义句 It’s a ruler.（改为否定句）. What's this in English?用下面哪个句子回答较好?It's ruler.It's a ruler. 选择题What's this?A.It's Z.B.It's red.C.This is ruler. It is ( )ruler. A.a long red ruler B.a red long ruler C.long ruler D.red ruler It's a green ruler.对 a green ruler提问()is it.I'm ok.对ok提问()?The pen is red.对red提问.()is the pen.It's a key.对key提问.()it.It's a white jacket.同义句（）jacket is()