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Nội dung trong bức ảnh như sau:

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Exercise 3: Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:
1. The city’s __________ struggled to keep up with the growing population. A. unemployment B. leisure C. convenience D. infrastructure
2. Urbanization is occurring so __________ that it’s hard for public services to maintain pace. A. reliably B. affordably C. rapidly D. conveniently
3. Environmental __________ are increasing as urban areas continue to expand. A. concerns B. residents C. unemployment D. infrastructure
4. The urban __________ has led to the loss of green spaces in many cities. A. sprawl B. housing C. leisure D. unemployment
5. Urbanization often attracts __________ looking for better employment opportunities and improved living conditions. A. housings B. displays C. stores D. residents
6. The rapid growth of cities can lead to __________ with wealthier areas receiving more resources than poorer ones. A. migrant B. sanitation C. trend D. inequality
7. Environmental __________ is growing as urban areas struggle to manage waste and pollution effectively. A. unemployment B. concern C. grid D. discontent
8. Living in the city is often more __________, with easy access to shops, services, and entertainment. A. high-rise B. sharp C. steady D. convenient
9. A population density is essential in urban areas, where the cost of living is typically higher than in rural regions. A. living B. urban sprawl C. convenience D. urban density
10. Despite the prosperity of cities, __________ remains a significant challenge, affecting millions of urban dwellers. A. migration B. poverty C. density D. leisure
11. Many __________ move to cities in search of a better life, but they can face challenges such as discrimination and social isolation. A. migrants B. slums C. stores D. concerns
12. __________ rates can soar in cities when there is a mismatch between the skills of workers and the jobs available. A. Infrastructure B. Resident C. Unemployment D. Sanitation
13. The city’s __________ of public transportation systems has made commuting much easier for its growing population. A. fluctuate B. upgrade C. seek D. afford
14. As urbanization continues, the skyline is increasingly dominated by __________ apartment buildings to accommodate more residents. A. urban B. convenient C. high-rise D. colonial
15. One of the challenges of urbanization is ensuring that housing remains __________ for all income levels. A. gradual B. affordable C. crowded D. sharp
16. A __________ network of services, including electricity and water supply, is essential for the functioning of densely populated urban areas. A. colonial B. crowded C. urban D. reliable
17. He has gone to the UK for further education since he __________ upper secondary school. A. finished B. is finishing C. will finish D. finish
18. Peter has played football __________ he was a child. A. for B. so C. since D. because
19. She __________ run two miles and a half, and now she feels exhausted. A. has run B. was running C. will have run D. has been running
20. I can’t find my eraser. Have you seen it __________? A. never B. before C. recently D. just
21. My father __________ has never smoked. A. will never smoke B. did never smoke C. did never smoke D. have never smoked
22. We __________ Lisa recently. A. won’t B. haven’t seen C. didn’t see D. are going to see
23. I __________ fifteen phone calls this morning. A. am being made B. have been made C. was making D. have made
24. Did you ever hear __________? A. Was you ever hearing B. Have you ever heard C. Do you ever hear D. Do you ever hear
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