选择正确的句子填入对话中，使之完整。

Jack: Hello, this is Jack!
Zhang Peng: This is Zhang Peng. ______________________________
Jack: I am sorry. He is busy now. Please hold on.
Zhang Peng: ________________________________________
Jack: He is writing an e-mail. He is coming.
Zhang Peng: Hi, John! ______________________________.
John: I go to the playground at 7:00 in the morning.
Zhang Peng: It is early. ___________________________
John: I get up at 6:00.
Zhang Peng: Shall we meet at 6:50 at school?
John: ___________________________________________