My advice to improve one's oral comprehension: there are great podcasts on the BBC radio 4 website. Find a topic that interests you (maths, science, sociology,

My advice to improve one's oral comprehension: there are great podcasts on the BBC radio 4 website. Find a topic that interests you (maths, science, sociology, fictions...) and start listening to it. You may no understand everything but you will soon see that the context helps a lot.