Listen and choose. 听录音,根据所听问句,选择正确答语。 ( ) 1. A. Nine yuan. ( ) 2. A. Some flags. ( ) 3. A. Yes, it's cheap ( ) 4. A. Yes, I do. ( ) 5. A. It's ten hours to Canada. B. Nine. B. At the door. B. No, it's expensive. B. Yes, I can. B. Ten kilometres. C. Nine o'clock. C. By bus. C. They're expensive. C. Yes, I did. C. Yes, it's ten kilometres.