For University of Toronto, you need 20 credits to get a bachelor degree. If you have a bachelor degree in China (or anywhere),
-bloor(不老);
2001-7-9{172}(#125028@0)
you can apply to transffer some credits, but the most you could get is 5 credits. So, you will need 15 credits (about 30 courses), and usually 3 years to get another degree
You don't need a GRE score to enter UofT. However, your TOEFL score is a bit low. You'd better re-take the test, and get a score above 600. UofT also require TWE above 4.5 (or 4, I can't remember). Check their website for accurate information.
-bloor(不老);
2001-7-9(#125054@0)