Spelling words

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Across
  1. 3. two lines that will never meet
  2. 5. a stringed instrument
  3. 6. chew like a rat
  4. 8. something fishy is going on
  5. 13. to be jealous of
  6. 16. the bending of light
  7. 17. showing no emotion
  8. 19. to know the future
Down
  1. 1. someone from Mars
  2. 2. perfect
  3. 4. to hide your identity
  4. 7. very sad
  5. 9. a copy
  6. 10. light bouncing off something
  7. 11. writer of a book
  8. 12. a crazy mess
  9. 14. the beats of a song
  10. 15. persuasion
  11. 18. go up