Dear Fred,Hello.This is Jim.I have a problem in my Chinese study now.As we know,Chinese is one of the most important subjects for us students.But it's a pity that I can't learn it well.I always make s... Dear Fred,Hello.This is Jim.I have a problem in my Chinese study now.As we know,Chinese is one of the most important subjects for us students.But it's a pity that I can't learn it well.I always make s...