Because he didn't study.
He wasn't concentrated.
Poop in the specimen cup.
2nd Monster: He's at medical school. 1st Monster: Oh what's he studying 2nd Monster: Nothing they're studying him!
Ans. It is very good law, It is very useful law, Nice law, Its a Scientific Law, I have studied this law.
Help! I'm melting!
I didn't take algebra!
None, that's what students are for.