... air to other countries and other continents.4. Poverty Poor farmers use the same land over and (12) … . The land needs a rest so it will be betternext. However, the farmers must have food this ... 4I. 1. on 2. world 3. them 4. growth 5. food 6. but7. fry 8. desert 9. it 10. kill 11. polluted 12. over13. trees 14. becomes 15. future 16. conserve/ saveII. 1B 2C 3D 4C 5A 6A 7B 8B 9A 10AIII. ... being taken7. to pass 8. to be9. to mention, arriving10. trying to sell 11. hearing, say, cutting 12. to finish packing13. acting, to see, wearing, reciting14. getting to like, hearing, studying...