( ) 1. A. She goes there on foot. B. He goes there on foot. C. He goes there late. ( ) 2. A. It"s very cheap. B. It isn"t expensive. C. It costs 10 yuan. ( ) 3. A. Yes, you can. B. Yes, I can. C. I want a pair of shoes. ( ) 4. A. I"m looking for my keys. B. I"m watching TV. C. I"m looking at the blackboard. ( ) 5. A. Yes, they are. B. They are in the classroom. C. They aren"t in the classroom.