听第 7 段材料，回答第 9 至 11 题。

9. What does the man probably do?

A. A manager. B. A salesman. C. A cleaner.

10. What isn't needed for his job?

A. Copying machine. B. Wax. C. Floor-polishing machine.

11. What's the possible relationship between the speakers?

A. Employer and employee. B. Mother and son. C. Teacher and student.

听第 8 段材料，回答第 12 至 14 题。

12. What does the woman do in the group?

A. Play the violin. B. Play the piano. C. Sing for the group.

13. What can we learn from the conversation?

A. Glory David is the director of the group.

B. Glory David will direct at tomorrow's concert.

C. Glory David will teach the man to play the violin.

14. When does the woman want the man to come?