Listen, listen and listen...

We are like babies when we're learning a new language, so at first you need to listen a lot...

You can try this website : http://www.bbc.co.uk/worldservice/learningenglish/

There is a topic called "6 minute english", from it you can improve your listening and vocabulary.

http://www.youtube.com/results?search_query=audio+books+in+english&oq=Audio+books+in+English&gs_l=youtube.1.0.0.2346.12887.0.14705.22.16.0.6.6.0.196.2165.3j13.16.0...0.0...1ac.1.iNIpPtl3la8

Here you can find English audio books for reading and listening