riddles

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Across
  1. 4. has many keys but can’t open any doors?
  2. 5. building has the most stories?
  3. 7. it has one eye but can't see?
  4. 8. goes up and down but doesn’t move?
Down
  1. 1. black and white
  2. 2. has legs, but doesn’t walk?
  3. 3. has many teeth, but can’t bite?
  4. 6. comes down and never goes up?