back to the point about english, the best thing to do is read all your texts (since you're pre-studying, start now!!) start writing the basis of your essays (which should be focus points e.g. characters, themes, issues) and attempt to answer general past paper questions. get a tutor - the best...
don't do physics if you aren't interested; you'll find it difficult and annoying! and it has nothing to do with business (which by the sound of it, is what you want to do in the future!)