billzhao 发表于 2015-8-26 22:505 F6 ~! l8 ?8 J0 A/ U h; t
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
% e. K8 d# }- r: Y' |8 e! ~你也教calculus,我家老大在学这个。你现在在爱城吗?有问题可以问吗?
billzhao 发表于 2015-8-26 22:50 ! N& x0 W5 [* M+ L- cwhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...