HâhhahbBhMkajans

Here are the answers to the given exercise: 1. B. Global warming 2. C. climate change 3. C. gases 4. B. emissions 5. A. threat 6. B. contribute 7. B. global warming 8. C. sea level 9. C. greenhouse gases 10. A. on 11. A. in 12. A. from 13. B. provided 14. A. extinct 15. A. endangered 16. A. reduce 17. C. on the verge 18. B. environmentally-friendly 19. B. protect 20. C. renewable Here are the completed sentences: 1. It was not necessary for Nancy to clean the flat. (didn't) -> Nancy didn't need to clean the flat. 2. If I were you, I would spend more time talking with my children. (should) -> You should spend more time talking with your children. 3. John doesn't get permission to use that computer. (mustn't) -> John mustn't use that computer.