First notebook entry: Introducing Myself

I am learning English, because I want to work in trade. I think it's so cool to work with foreigners in English and make friends with foreigners. I have passed CET-6 in the university, but I can't communicate in English, which makes me feel bad. If I can't speak it, why did I spend four years to learn it? I doubt myself, maybe I need to increase my vocabulary. I try to find the real reason I can't speak English, and now I'm on my way to solve the questions.
My native language is Chinese, and I grew up in China. I graduated last year(2011), and have a master's degree. I hope I can speak English fluently.
I enjoy singing, playing pingpong and climbing mountains. I'm more blunt and optimistic and I like to make friends.

Don't forget the rules of punctuation spacing and capitalization. They are rules, not suggestions. Your sentence structure is excellent, even though some of the verbs used the wrong form.