Across
- 3. catch bad people
- 5. do houseworks
- 7. treat sick people at hospital
- 8. sell products
- 9. sing to people
- 11. teach subjects at school
Down
- 1. put out fire
- 2. defend the country
- 4. check the pipes
- 6. clean the place
- 7. check the teeth
- 10. guard a building and people