Worksheet 17What the problem with joining the paratroopers?
You have to do everything right the first time.

Worksheet 20: What do tongues have to do with friendship?
People who can hold their tongues seldom have any trouble keeping their friends.
This isn't really a joke, more like words of wisdom.

Worksheet 31: What do you get if you cross an elephant with a kangaroo?
Great big holes all over Australia.