Where do tough ducks come from?

Which dog loves to rob banks?

Why do fish live in salt water?

What's an astronaut's favorite snack?

What do ghosts drink on Halloween?

When does the sun finally get to take a break?

What kind of cake always tells the truth?

Why do moms have to visit the optometrist twice?

Why are dentist's kids so well-mannered?

What's a landscaper's favorite type of music?

Why did the student always get straight A's?

Why can't Dalmatians play hide and seek?

What vegetables do librarians like?

What runs around a baseball field but stays still at the same time?

What's the friendliest pen?