Part 3: Choose the best one to complete the sentence:
9. C. am used to living
10. D. is reported
11. C. measures
12. B. vehicles
13. C. although
14. C. preserved
15. B. what
16. B. street vendors
17. D. worst
18. D. up with
19. C. over
20. C. medium
Part 4: Choose the best answer:
21. A. to look for a better life
22. C. friendly communication with neighbors
23. A. some changes in lifestyles
24. A. effect
