回复：If I were a teacher

来源: 于 2009-04-01 18:36:04 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Nice content.
Very informative.
Speech was delivered with good pace and nice flow, especially in the later part.
With 30 seconds of preparation, you did not good job.

I will give a try, after I submit this follow up