Thx! Some of these could be explained by understanding

来源: 走马读人 于 2010-08-05 16:07:42 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (181 bytes)
本帖于 2010-08-05 17:50:47 时间, 由版主 林贝卡 编辑

the use of single letter.
By this way, I remember some usage easily, such as ashamed for vs ashamed of, historical vs historic. I assume that no one has ever analyzed in my way.

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