Vocabulary #7 and 8

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Across
  1. 4. to keep above the ground
  2. 7. to help or support
  3. 9. you must do, or is very important
  4. 12. to let something happen, to give your ok
  5. 13. to pull apart
  6. 14. the way something is done or organized
  7. 16. happens very quickly
  8. 18. to organize or set up
Down
  1. 1. something that is well known
  2. 2. something difficult to complete
  3. 3. to inspire someone
  4. 5. make something known
  5. 6. to announce or say it should be done
  6. 7. a sharp difference between two things
  7. 8. to place in a flat position
  8. 10. to make a statement that you believe to be true
  9. 11. to let go of something
  10. 15. something that is necessary
  11. 17. an educated idea
  12. 19. to take something that is offered