I learn english for in modern society,english become more and more important.there are two points on this.one is that we should work hard to learning english well in order to follow the present international evelopement.the other is that we study english only for college,so we needn't learn it and after the graduation we won't ba able to use it.i agree the first one bacause english is a language spoken by billons of people and now is playing a important role within international business and tarde.and english is the spoken language in the UN.so it is of importance to learn it well.we should know well about the world.learning it well will help you show yourself to the world.