Forgot login/password?

Lesson Details

Other > Typical mistakes by Young Sun 8P ‐ Lesson 1
February 23, 2011 by Young Sun Yoon 8p
Duration: 35 minutes
If you can help us with translations, we need your help.
Contact us
32 Problems
User Comments
gandji Art of teaching is to make things look simple! I appreciate the limpid and straightforward style of the explanations.
You must be logged in to post a comment. If you don't have an account, you can register.

This lecture costs 1€ for a month of viewing.

You must be logged in to watch it.

You need to buy a Training System Membership to access this problem set.