Ⅱ、听句子，从下面各题所给的A、B、C、三个选项中选出最佳答案。（每小题1分，共5分）
（ ）6. A. Ask your teacher. B. Go to the dentist. C. Clean up the city.
（ ）7. A. Sounds good. B. Not at all. C. You’re welcome.
（ ）8. A. Thanks. B. Sounds interesting. C. Yes, sure.
（ ）9. A. I’d like to, but I have to do my homework.
B. No, I don’t . C. Thank you very much
