What occurs twice in a lifetime, but only once in a year, twice in a week, but never in a day?

Who won the race between two balls of string?

What might you call waking up in the morning?

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

Which singer could always break a five?

What do you call siblings who love math?

What do you call bears with no ears?

Why couldn't the leopard hide?

What's a bear's favorite movie?

Where do colds go on vacation?

What has a lot of ears but can't hear a word you say?

What did the two grasslands become when their parents got married?

What do you call it when someone becomes a vegetarian?

What animal knows kung fu?

Did you hear about the one with the skunk on a camping trip?