Why was school so much easier for cavemen?

Why did the professor write on the window?

Why don't math teachers like conspiracy theories?

What dog never pays attention in class?

What kind of fish will help you hear better?

What's a glow worm's favorite song?

How do you stop an astronaut's baby from crying?

How do artists finish a project when they are stressed?

What instrument do secretaries usually play?

Where do mermaids see movies?

What kind of restaurant do ghosts prefer?

What are the smartest highways in the world?

Why do kittens know so much about church?

Why did I name my printer Bob Marley?

Where do ships always get stuck?