kumon is very good for my son.
所有跟帖:
•
也许没有苦闷,他的数学更好
-skyport-
♂
(0 bytes)
()
07/11/2013 postreply
17:17:38
•
no, he is not good at math. That is
-Smart-
♂
(154 bytes)
()
07/11/2013 postreply
17:40:25