第24题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. Hunting other animals. B. Driving sheep. C. Guarding chickens. D. Keeping thieves away. 参考答案:D 答案解析:[听力原文]26-28 If you’re in a western country, you often see people walking their dogs. It is st