your son is lucky, but do you know how many of the average joes

来源: 于 2007-09-20 05:12:53 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

failed the basic math as well as other science courses, simply because of 基本四则运算没过关？？ there are many, many kids.