Unexpected surprise~

I just finished two tests for today. Mandarin oral test and accounting. Sigh*
Mandarin was fine, but account was freaking hard. I've never did any exercise that ask that type of question. The type of question that you can't even find in past years exams. I don't think its tricky. Its not tricky, its complicated!!! I don't blame the lecturer for putting that type of question in the test, however, shouldn't they teach us first before asking us to answer it??? How do they expect us to get high carry marks if they do that??? Aaaarrrrrgggghhhhhhhh!!!!