Is this your son?A.Yes,he is.B.No,he isn't.C.Yes,it is.

Is this your son?A.Yes,he is.B.No,he isn't.C.Yes,it is. Is this your notebook?A.Yes,it's B.Yes,this is C.No,it,isn't Is this your grandfather?回答这个问题：1 No,he isn‘t.2 Yes,it is.He -is he your father or your uncle?A.yes,he is B.no,he isn't C Isn't your uncle an engineer?A No,he isn't B No,he is C Yes, B.yes,it is C.No,he isn't D.No,it is Is this your key? ______A.Yes,it is B.NO,it is C.Yes,it isn' is this your computer game?A .yes it"s.B,no it isn"t.C.yes,i Is this your living room?（） A.No,she isn't.B.yes,it is Is Kevin your cousin?A：yes,it is.B：No,it isn't C:yes,she is. is this___your pencil case?A Yes,this is B no,it isn't C. Is Lu Lin your father?( )A.Yes,it is.B.No,it isn't.C.Yes,she