第31题: [单项选择]Questions 22~25 are based on the following monologue on T-shirts.When do people usually wear T-shirts A. When they take part in sports. B. When they watch a film. C. When they go shopping. D. When they read a book. 参考答案:A 答案解析:[听力原文]22-25 For many years, T-shirts were short sleeved undershirts only for men and boys. T-