|
|
|
|
|
|
| 1. B |
2. C |
3. D |
| 4. C |
5. A |
6. A |
| 7. B |
8. C |
9. B |
| 10. B |
11. C |
12. B |
| 13. B |
14. B |
15. B |
| 16. C |
17. A |
18. C |
| 19. A |
20. C |
21. around |
| 22. large |
23. same |
24. pollution |
| 25. bad |
26. dirty |
27. unhealthy |
| 28. reason |
29. own |
30. drive |
| 31. area |
32. cause |
33. smoke |
| 34. cities |
35. laws |
|
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