[al:新概念英语（第1册）第139课（听力强化·中英）]
[ti:Is that You, John?－是你吗，约翰？]
[ar:© 2011 露珠英语工作室]
[by:http://weibo.com/DewEnglishStudio]
[00:00.00]I'll have to stay at the office.
[00:01.00]我不得不留在办公室，