is this___your pencil case?A Yes,this is B no,it isn't C.

is this___your pencil case?A Yes,this is B no,it isn't C. is this your pencil case?___a 、yes,it's b 、no,it isn't Is this your notebook?A.Yes,it's B.Yes,this is C.No,it,isn't Is this your son?A.Yes,he is.B.No,he isn't.C.Yes,it is. is this your computer game?A .yes it"s.B,no it isn"t.C.yes,i Is this your pencil?-NO,it isn't.-sorry.-____ A..All right B Is this your key? ______A.Yes,it is B.NO,it is C.Yes,it isn' Is this your living room?（） A.No,she isn't.B.yes,it is Somke isn't good for computer,is it?A.NO,isn't B.yes,it is c Is Kevin your cousin?A：yes,it is.B：No,it isn't C:yes,she is. Excuse me!_________ Is this your handbag?No,it isn't.A、yes B 填空：Is this____pencil case? No,It isn't my pencil case.