Country mouse and City mouse

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Across
  1. 1. A room under a house
  2. 3. An area outside the city, with farms and nature
  3. 5. A big town
  4. 7. Something you walk up/down inside a building
  5. 9. Nails of an animal
  6. 11. A lesson about what is right or wrong
Down
  1. 2. shops
  2. 4. The small nuts from an oak tree
  3. 6. Structure that separates rooms
  4. 8. Opposite of noisy
  5. 10. Very, very big