第5题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. At a house. B. At a post office. C. In a library. D. In a restaurant. 参考答案:B 答案解析:[听力原文]
W: Two ten-cent stamps and four eight-cent stamps, please.
M: Here you are. That will be fi