billzhao 发表于 2015-8-26 22:50, v' Z" O- m% l3 Y4 K2 A
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 Z7 S7 `. G( K' P$ k3 e/ Y1 L) q9 O
what 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?