B. Listen to the dialogue and choose the best answer to the question you hear（根据你听到的对话和问题，选出最恰当的答案）：（共10分）
7. A. A doctor. B. An engineer. C. A secretary. D. An astronaut.
8. A. In a library. B. In a lift.
C. In a shopping centre. D. In a restaurant.
9. A. To have a meeting. B. To have a holiday.
C. To visit her aunt. D. To visit her uncle.
10. A. Every Wednesday. B. Once a week.
C. Every Saturday. D. Twice a week.
