[Deactivated user]
Feb 16, 2012 10:45 PM
Comments · 6

No problems :). It's the site I use. I have completed quite a number of lessons. If I find anything else that is relevant and useful, I will post a link to it.  

February 17, 2012

That's cool.

Thank you

February 17, 2012

That's strange :(. It's an educational site, it's no threat to anybody. oh well... what about the youtube link?

February 17, 2012

apparently, it works only in US and Cn.

February 16, 2012
February 16, 2012
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