[al:新概念英语（第1册）第119课（听力强化·美英）]
[ti:A True Story－一个真实的故事
[ar:© 2011 露珠英语工作室]
[by:http://weibo.com/DewEnglishStudio]
[00:00.00]Suddenly, they heard a voice behind them.－突然他们听到身后有声音。