Across
- 4. open-minded
- 11. forms of energy that are renewed as quickly as they are used
- 13. the opposite of urban
- 14. students who leave school at an early age
- 15. very poor
- 16. "must" in the past
- 18. obligatory and mandatory
- 19. the plural of "mouse"
- 20. the past of throw
Down
- 1. not able to read or write
- 2. to work together "co....."
- 3. the adjective of "laugh"
- 5. cutting down trees in the forest
- 6. a person who hates spending money,
- 7. a modal verb for prohibition
- 8. synonym of audacious
- 9. very rich
- 10. planting trees in the forest
- 12. a female servant
- 17. past participle of write