第28题: [单项选择]Questions 19 to 21 are based on the conversation you have just heard. A. After midnight. B. After she goes swimming. C. When she is idle. D. When there is a good program on. 参考答案:C 答案解析:[听力原文]19-21 W: What a great day, don’t you think M: I guess so. I hadn’t noticed it. I feel a