arghh!!...so many things to do..not enough time!!

just had my ipc practical test this morning...wah siao ar!!..the questions i didnt know were all on acid and base..the chapter that i dont understand..wah kao...after the test the teacher say next week still got lab lesson?!!??!...wah..like that next week have the test also can right..then the teacher can go through this topic in tutorial today...idiot lah...so pissed...