根据下面对话中的情境，在每个空白处填入一个适当的语句，使对话恢复完整。
Mary: ________________.
Jack: Yes?
Mary: I am a new student in this class. ________________?
Jack: The school library is behind the teaching building.
Mary: ________________?
Jack: Yes, that is our English teacher, Mr. Zhang.
Mary: ________________?
Jack: Yes, I have an English dictionary. Here you are.
Mary: Thank you very much.
Jack: ________________.