QUICK THINKERS!!!

TEACHER: Harold, what do you call a person who keeps on talking when people are no longer interested?
 
HAROLD: A teacher 


TEACHER: John, why are you doing your math multiplication on the floor?
JOHN: You told me to do it without using tables.

TEACHER: Winnie, name one important thing we have today that we didn't have ten years ago.
WINNIE: Me!