每个学生都不一样，为何我们用一种标准去衡量他们呢？

free.. Due to exam xd

是个坏老师

hello... what a hot day...

情人节快乐…

doing add math question ppr..

被逼参加董事长的Open house...没有民主啊。。

看来我太容易相信人了。

borrowed $ 2 a person in need. Hopefully he is honest to himself.

breakfast!