unit 6 puzzle

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Across
  1. 2. a creature that is ugly and frighening
  2. 5. extremely bad or evil
  3. 6. realize or notive sth
  4. 9. a person who studies the nature and meaning of existence, reality, moral,etc.
  5. 11. happening or existing without stopping
  6. 12. shake slightly
  7. 13. opposite
Down
  1. 1. complete one's studies and receives a certificate or diploma
  2. 3. general principles or ideas of a subject
  3. 4. strange
  4. 7. happening by itself without being planned
  5. 8. a person who studies economics
  6. 10. paid work
  7. 13. make sb behave in a more polite way
  8. 14. a way from one place to another