Day 17.2

123456789101112
Across
  1. 4. a group of connected businesses
  2. 10. to stop someone from doing something
  3. 11. difficult to understand
  4. 12. very hard working
Down
  1. 1. a place with many stores
  2. 2. the leader of a city
  3. 3. to work together
  4. 5. to change something
  5. 6. believing that something is very important and giving a lot of time and energy to it
  6. 7. a period of 10 years
  7. 8. during the whole period of time
  8. 9. a lesson