Complete the crossword puzzle with words from the box.

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Across
  1. 2. important person at work
  2. 5. big problem
  3. 7. a little bit to eat
  4. 12. talk
  5. 14. information to help someone
  6. 16. make your body work
  7. 17. red liquid in your body
  8. 18. a person thirteen to nineteen years old
  9. 20. a stealing of something
Down
  1. 1. very good
  2. 3. a place on the Internet
  3. 4. going to have a baby
  4. 6. a person who gives you advice
  5. 8. a place to park your car
  6. 9. walking trip
  7. 10. a word that means the symbol ‘%’
  8. 11. how many people
  9. 13. people who work in science
  10. 15. a small town
  11. 19. someone who knows more