(2NI) Like or As?

http://www.bbc.co.uk/worldservice/learningenglish/grammar/learnit/learnitv63.shtml

http://www.bristol.ac.uk/arts/exercises/grammar/grammar_tutorial/page_19.htm

http://www.better-english.com/grammar/aslike.htm

http://www.usingenglish.com/quizzes/257.html