is this your pencil case?___a 、yes,it's b 、no,it isn't

is this your pencil case?___a 、yes,it's b 、no,it isn't is this___your pencil case?A Yes,this is B no,it isn't C. Is this your notebook?A.Yes,it's B.Yes,this is C.No,it,isn't is this your computer game?A .yes it"s.B,no it isn"t.C.yes,i (yes,it is)(ls it an eraser)(no,it isn't)(ls it your pencil 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 -Isn't this your hangbag -Yes,it is./No,it isn't.这句话怎么翻译? it isn't your pen,is it?A Yes,it's not mine B No,it's my fri Excuse me!_________ Is this your handbag?No,it isn't.A、yes B Is this your son?A.Yes,he is.B.No,he isn't.C.Yes,it is.