It is from VOA Learning English program.

来源: 斓婷于 2014-04-08 20:37:45 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

http://learningenglish.voanews.com/

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.