第20题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. A grand wedding was being held in the hotel. B. There was a conference going on in the city. C. The hotel was undergoing major repairs. D. It was a busy season for holiday-makers. 参考答案:B 答案解析:[听力原文] Why did the hotel clerk say they didn’t have any rooms for that night