Is that a ruler? Yes,it’s 哪里错了

Is that a ruler? Yes,it’s 哪里错了 哪错了 Is that her ruler?Yes,it's. Is it your ruler Yes,it's.错在了哪里 _____ a ruler ? yes,____. A.Is this, it is B.Is that,it‘s C. Wei Fang,is that ________ ruler?Yes,it's. Wei Fang,is that ( ) ruler?Yes it's. ______?That's my ruler.A.Whose ruler is it?B.What ruler is i A:Is that a ruler?B:Yes ( ) ( ). 英语,选择,海贝Example:A:is that ruler yours/B:1.Yes,it's mine.2.No this’s a pen and that’s a ruler.哪里错了 Is this a picture.Yes,it,is.哪里错了 This's my ruler and that's his ruler哪里错了