My favorite crossword puzzle

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Across
  1. 1. It's very busy on the ?
  2. 3. If you are 18 years old you may drive in it?
  3. 4. On sunday you pray in the?
  4. 6. Cars drive on it?
  5. 7. Outdoor area ?
  6. 9. You can fly with it?
  7. 11. You can learn there?
  8. 14. A big village
  9. 15. Plane parking?
  10. 16. A littele town?
  11. 17. Long string water?
  12. 18. House of money?
  13. 19. You must pay to sleep there?
Down
  1. 2. in the Netherlands they speak?
  2. 5. When your very ill you go to the?
  3. 7. Center point in a town?
  4. 8. You can buy your food there?
  5. 10. You live in a .....?
  6. 12. House with a lot of animals.
  7. 13. Behind your house you have a?