听对话和问题,选择最佳答案。 1. How old may Mary be? A. 30 years old. B. 13 years old. C. 18 years old. 2. Will Li Ming go to Gina's birthday party? A. Yes, he will. B. No, he won't. C. We don't know. 3. What is the woman looking for? A.A policeman. B.A traffic light. C.A bus stop. 4. What may the woman buy for Kate? A. A card. B. A cake. C. A jacket. 5. Where are the two speakers? A. In the shop. B. In the restaurant. C. In the library.