Good Riddles

Question: What kind of shoes do frogs wear?

Question: What do you call a fly without wings?

Question: What goes up and never comes down?

Question: A girl lives on the 26th floor of a building. She takes the elevator down to the lobby and goes to school each day. When school is over she goes to the 20th floor on the elevator and walks up 6 flights of stairs to her room. But if she is riding with somebody else on the elevator she goes all the way to the 26th floor.

Why does she do so?

Question: What stays where it is when it goes off?