billzhao 发表于 2015-8-26 22:50 5 h M' j) l9 O7 O& |% J+ twhat 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 7 @9 T; r g: g( r% Jwhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...
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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 $ P( m5 Y" w# B' Qwhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...