How to improve my spoken English?

Go find a tranquil corner ,and read aloud lots of beautiful passages or assays to yourself,by doing which you get to practise both your speaking and listening.What's more,you know more about your own weakpoints in speaking and thus will eventually find a way out.
By living abroad and doing live practice,you will soon be boasting your own oral techniques.What's all the worry?Just keep talkative.