Units 1-6 crossword puzzle

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Across
  1. 2. it is liable to change
  2. 5. stern
  3. 7. to hurry
  4. 8. easily taught
  5. 12. the snake looked menacing
  6. 14. near to
  7. 15. to prevent from starting or happening
Down
  1. 1. to boil
  2. 3. It appeared out of nowhere
  3. 4. to graze through a book
  4. 6. routine
  5. 9. he was very resentful of the event
  6. 10. to suggest slyly
  7. 11. to give in
  8. 13. ready to use