一、听句子，选择正确的答语。听一遍。
6. A. No, you don’t. B. Yes, it’s mine. C. Here you are.
7. A. No, I don’t. B. Yes, please. C. You’re welcome.
8. A. She goes shopping. B. Yes, she does. C. No, she isn’t.
9. A. Twice a week. B. Twice. C. Two hours.
10. A. Smarter. B. Quieter. C. Mary.
