Review unit 4

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Across
  1. 2. they help the doctors
  2. 3. place where the police officer work
  3. 5. these people work in outer space
  4. 7. where the doctor work
  5. 8. they take care of plants
  6. 9. where the teachers work
  7. 11. they work at a farm
Down
  1. 1. a doctor for your teeth
  2. 4. they are responsible to give knowledge to students
  3. 6. helps people to set the fire off
  4. 10. doctor for animals