billzhao 发表于 2015-8-26 22:50 M1 i' P9 w f& t5 H& K
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
billzhao 发表于 2015-8-26 22:503 u2 g3 P1 q) l8 t% k
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
1 f) t, u2 Q% k( [* m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?