billzhao 发表于 2015-8-26 22:50( P* c: I& t7 h0 i
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 6 L6 [' O4 U" l. e# d! \! t6 }6 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 5 T! R2 l q) A. e& A. a8 |& f$ Twhat subjects does your child need to improve? I taught math 30, math 20, calculus, physics 30, phys ...