Read and choose．读对话，选择相应的向子，将序号填在横线上。

Mother：________                    John：She's Miss White，our teacher．
Mother：________                    John：He's Mr. Lin，our P．E．teacher．
Mother：Who's that girl?           John：________ She's from America．
Mother：________                    John：Guess．
Mother：I know he's Mike．         John：Yes．________