早上学不好 for girls and boys! The system here

来源: hz82000 于 2007-07-27 19:06:18 [] [博客] [旧帖] [给我悄悄话] 阅读数 : 0 (126 bytes)

in America is so flexible, lower graders could till higher level classes, high school students can take AP or college courses.

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