wangwei,do not worry!I think if you do not lose confidence, do not be afraid I make a mistake, do not fear that other people will sneer at.And In the classroom as much as possible both inside and outside the English-speaking, practice makes perfect.To find an English-speaking students like common practice, help each other.In the classroom to speak to actively seek opportunities for each will be English, If I make a mistake, the teacher will help you to correct mistakes.I think if you can persevere, will certainly be able to improve their standard of English.