billzhao 发表于 2015-8-26 22:50 5 S- y7 k# j. {. G d1 kwhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
billzhao 发表于 2015-8-26 22:50% r; H9 B) a4 G. M: b( G. n
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
7 n( o# o ]( `, B
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?