Midterm revision Crossword-1

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Across
  1. 5. poisonous
  2. 6. good enough, sufficiently
  3. 7. to break down
  4. 9. an important assignment
  5. 11. the systems and services that make something possible
  6. 12. official permission
Down
  1. 1. a large city
  2. 2. easy to understand or simple
  3. 3. the act of working together
  4. 4. well known for something bad
  5. 8. to start to do sth.
  6. 10. copy, behave in a similar way