Answer:
What has a ring but no fingers?
Slang for the male half in a marriage.
When will water stop running down hill?
What's that 7 letter word with thousands of letters in it?
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
What did the piece of wood say when he saw the screwdriver and screws approaching?