Answer:
I'm a ring of sliced onion dipped in batter and then deep fried.
Who has married hundreds but always been single?
If you are unsure how to use one then just ask a flight attendant.
I am a piece of paper that takes most people 3 or 4 years to get. What am I?
I'm the source of all emotion, but I'm caged in a white prison.
When is it bad luck to see a black cat?