Sadded......Too Tough

Tired ar,sat for prelim 3's math paper and it a 2 1/2 paper!!!!so long lor,somemore i a lot questions dunno how to do....went for night study and there were only 6 people which is us....Mr Ong(principal) was then the only staff left in the school so he waited till 9pm when we left then he locked the school gate....