billzhao 发表于 2015-8-26 22:508 K" q$ H& U& r3 u: y% [% R
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 22:50 {; t& j# R- w" b/ U; G
what subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
" B' R7 X L+ D% F3 t% i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 3 ]( G# b# e4 ^% x; l4 Q$ V- cwhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...