Answer:
What do you call a snail on a ship?
It is a desert oasis where money magically appears or disappears from your pocket.
Which bow can't be tied?
What do you say to comfort an English teacher?
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
What language does a billboard speak?