there are four key points to study English: listening, speaking, reading and writing.
Firstly, we should be brave to talk with others in English. By doing this, we can improve ore talking and listening skill.
Secondly, we should try to listen to all kinds of English programmes as much as possible. In this way, we can gradually improve our pronunciation.
Thirdly, we should often read English books. When we come across a new word. We should guess its meaning through the contest first. then look it up in the dictionary to have a check. I thin,, it is a good way of reading.
Fourthly, we should practice our writing skills. Whenever we have any idea, we should get the pen and write it down at once. It is very important to avoid writing in Chinese way and using the Chinese grammar.
As long as we listen, speak, read and write more, we are sure to make remarkable progress!
参考资料：http://zhidao.baidu.com/question/155480896.html