The teacher was describing the dolphin and its habits.
"And, children, "she said impressively, "a single dolphin will have two thousand offspring."
"Goodness!" gasped a little girl in the back row. "And how about married ones?"
Drunkard #1: I will become the chief prime minister tomorrow!
Drunkard #2: That's impossible... I haven't resigned yet.
Where did the kangaroo go to get its eyesight checked?
To a hop-tician!
Where do fish keep their money?
"In the River Banks."