How can i speak a fluent english?

I think the biggest problem is how i can grasp the reading skills of liaison, contraction and reduction. who would like to give me some suggestions .

Is it important to learn grammer when you are studying english?

I WANT TO PRACTISING ORAL ENGLISH !!

Hi,everyone,I am a first-year graduate students,majoring in mechanical engineering.I would like to make some friends whose mother tongue is english,and for return i am pleased to help you chinese.I am a out-going boy ,23years old.