I_____the pencil yesterday.（sharpen）

I_____the pencil yesterday.（sharpen） He________when I_____the house Are these __ (you) pencil yes,they are ____( our ) 改错改错Is that a pencil case?Yes,it's. Is this your pencil?Yes ,it is.变复数 Is this your pencil?Yes,t( )you填什么单词 pencil Is thisyour pencil?请问答句是Yes,this is.It's my pencil.还是Yes,it is.It's my pencil.为什么? Is that a pencil?的答语是Yes,it is.还是 Yes,that is. Is this you pencil 为什么不能回答 yes,this is.而是要用Yes,it is. -Is this a pencil?-_________.A.Yes,thi-Is this a pencil?-_________.A.Yes,this is.B.Yes,they are.C.No,it isn't. that is缩写是什么?还有Is that your pencil?回答应该是Yes ,it is 还是yes that is? It's this your pencil? -Yes,itis. It's that you book? -Yes,it is 错误 怎么改 Excuse me ,Ts it your pencil?Yes,it is.( ) you are.( ) is your pencil case?括号内填词语It's ( ) the desk.look ( ) ( ) pencil case .oh ,( )very good.can i ( ) a look?yes,please .thanksthat's all right ----Do you have a red pencil?----Yes,I have___.A.some B.any C.no What's this the pencil case Yes ,it is.哪错了 is this your pencil case?___a 、yes,it's b 、no,it isn't Is this your pencil sharpencr?Yes,it's.哪里错了