Tom, �this study group� � you mean this forum? If so, here is what you can do: 1) post your question and enjoy people answering it 2) answer any question yourself. By the way, here are some advices how to make a good reply. 3) use search facility to find answers for some particular question; 4) read FAQ; 5) search messages, posted by your favourite expert . If you did not figure out who is your favourite expert yet, read Bill Brogden�s posts, he is an author of Exam Cram and Exam Prep books and often answers folk�s questions here. You can trust his answers. Any other questions?