When you have developed your use of the English language, it is important to use it frequently to reach the point of no return. Then you're bi-lingual.

WHAT YOU SHOULD DO

listen to the news on English radio
take a good quality English newspaper or magazine
meet English speaking friends
join an international English speaking club
access the internet in English
have an English conversation weekly
subscribe to the Oxford English Learning Modules
subscribe to the The English Times internet practice magazine

If you use it, you won't lose it!