unit 6 puzzle

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