活着乐着, the Credit should be given to you and BJ#2

来源: billnet 于 2009-05-27 11:36:56 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (183 bytes)

as all of the recitings freshed my memory. It's easy for me to review one lesson instead of the whole. By the way, I do like this book as it has very short and informative passages.

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