题目内容：

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: 1. ________________ .

Jack: Yes?

Mary: I am a new student in this class. 2.________________ ?

Jack: The school library is behind the teaching building.

Mary: 3. ________________ ?

Jack: Yes, that is our English teacher, Mr. Zhang.

Mary: 4.________________ ?

Jack: Yes, I have an English dictionary . Here you are.

Mary: Thank you very much.

Jack: 5. ________________ .