There are several ways to learn English well.
First of all,you should listen to the tape as often as you can.Only in that way can you form your own sence of the language.
Secondly,watch the original English movies is a good method,too.They are of great help in cultivating your interests of English.
Thirdly,you should also be diligent in writting down the note as much as possible.Writting can help you to remembaer words very quickly.
Forthly,the more you read the original English books ,the easier you will find yourself in reading and learning English.
Last but not the least,you should be energetic in attending English activities through which you can not only make lots of friends,but also learn English well.