Econ paper

I keep on thinking about my econ exam paper just now...y i can't do the question leh..i spend so many time to study,i try my best to study,this is the first time i study so hard but still dunno how to do..disappointed...i dun wan fail tat subject..if i fail mean i nid to repeat the subject..i dun wan =(..i no mood to study my next subject computer study ad....because of econ paper,break all my confidence..speechless now...