Cherish each encounter!

Hello ,my buddy!I'm happy to come here and make friends with you ! I just graduated this year and i majored in Electrical and Mechanical and Business  English!I have past CET4 and CET-6 . But I'm so shy that I afraid to communicate with my teacher(foreigner ).Now I working in Nanjing ,and  want to improve  my oral english urgently,so  if you have some good idea , please tell me !