Why can you never find the number nine?

What are a teacher's least favorite words to hear every summer?

What did the kindergartener say when his teacher caught him picking his nose?

What is the loneliest cheese?

How can you tell the weather's getting warmer?

What did the dog say when he sat on sandpaper?

What do you call a tractor that gets paid for what it does?

What table can you never sit at?

What has a lot more letters than the alphabet?

How does a penguin build its house?

Which fish go to heaven when they die?

Why did the mouse get caught by the cat?

Where do honeybees stay while on vacation?

Why did he change his bike's tires?

What do you call it when an octopus leaves the sea?