听下面五段对话，完成第1至5题。 1. What's the time now? A. 10:30. B. 10:20. C. 10: 10. 2. What does the man suggest the woman do? A. To exchange the blue jeans. B. To see the manager. C. To buy another pair. 3. Why did the woman have to go home? A. To cash a check. B. To get her ID. C. To get some money. 4. What are these people going to do? A. Wait for Jane a little longer. B. Go to see a film. C. Give Jane a ring. 5. What does the woman mean? A. It may take a long time to do the experiment. B. Doctor Smith will count their time in the lab. C. Chemistry lab opens for one hour every afternoon.