第6题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Fifteen students. B. Forty students. C. Fifty students. D. Twenty-five students. 参考答案:B 答案解析:[听力原文]
M: How many students took the exam last Saturday
W: Well, let me see. Fifty has registered