请听下面一段材料，回答第1至4题。 1. How was the man's vacation? [     ] A. Terrible. B. Just so-so. C. Great. 2. Where did the woman spend her last winter vacation? [     ] A. In London. B. In Korea. C. In China. 3. Why did the woman spend most of her time alone in the room? [     ] A. Because she had no one to talk to. B. Because she didn't know anyone there. C. Because she didn't want to be bothered. 4. Where did this conversation most probably take place? [     ] A. In a park. B. In a hospital. C. In a school.