⏪ 新概念英语 - [3-011] - (97版) ⏩ ⏳ 正在检测本地文件... Listen to the tape then answer the question below.听录音，然后回答下面的问题。What was the Customs Officer looking for? 海关官员在寻找什么？Not guilty 📁 请先导入本地文件， 需要帮助？点击我 ↗