A. $20.                     B. $60.               C. $23.

听第10段对话，完成第13-15小题。

12. How much should the man pay if he wants to have a course?

11. What does the man do?

A. A cleaner.         B. A reporter.                C. A student.

10. At last, the shop assistant decided to change it for the same kind of T-shirt.

听第9段对话，完成第11-12小题。

9. The man bought a T-shirt yesterday.

8. Now Tina has long hair.

听第8段对话，判断第9-10小题。

7. Bob has changed a lot.

4.(    )           5. (    )         6. (    )

听第7段对话，判断第7-8小题。

A                B               C               D