1. forest 2. understand 3. behave 4. Watching 5. where 6. sleeping 7. wander off 8. worthwhile 9. nest 10. observing 11. discovered 12. work out 13. respect 14. argued 15. entertainment
略
1. forest 2. understand 3. behave 4. Watching 5. where 6. sleeping 7. wander off 8. worthwhile 9. nest 10. observing 11. discovered 12. work out 13. respect 14. argued 15. entertainment
略