Here is the recipe for success!!
1 For formal multiple choice practice of reading and listening skills: - BARRON'S - Practice Exercises for the TOEFL - with six audio CDs - 6th edition / Pamela J. Sharpe
2 For regular fun reading of a newspaper style, take out a 6 month subscription to The Week
http://www.theweek.co.uk/
3 For light romantic fiction, read books by Susan Lewis, Tony Parsons (NOT Stories we could tell but others are all good), Mary Higgins-Clark for example. No dictionary!
http://www.fantasticfiction.co.uk/p/tony-parsons/
http://www.susanlewis.com/
http://www.fantasticfiction.co.uk/c/mary-higgins-clark/
For crime, thrillers or mystery novels, go to amazon.co.uk and search 'crime, thrillers or mystery' to find one you like, then order it from your favourite site
4 Many students like graded readers (top level) with CDs to listen to in the car, or audio books
http://penguinreaders.com/
5 Regularly practise writing on topics timing yourself and then check with the microsoft grammar and spell checker or give your essay to a native speaker friend to comment on or correct in exchange for a coffee! For topics, see the page with lists on this site.
6 Go to the cinema every week to see a film in English. Or get out a DVD every week. And watch BBC or CNN news every night.