⏪ 新概念英语 - [2-021] - (97版) ⏩ ⏳ 正在检测本地文件... First listen and then answer the question.先听录音，然后回答问题。Why do people think the writer is mad? 为什么人们认为作者疯了？Mad or not? 📁 请先导入本地文件， 需要帮助？点击我 ↗