you are very welcome. good night!

来源: tingfeng 于 2012-05-29 20:42:25 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: You have very good teaching skills! Thanks again. 由 EnLearner 于 2012-05-29 20:23:54

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• Good night, Professor! -EnLearner- ♂ 给 EnLearner 发送悄悄话 EnLearner 的博客首页 (0 bytes) () 05/29/2012 postreply 20:55:52

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