giúp mình với Mark the letter A, B, C, or D on your answer sheet to indicate the,correct option that best fits each of the numbered blanks.,Recently, the term "concrete jungles" (18) _____ due to rapid,urbanization. This transformation has brought (19) _____. Many,migrants have moved to urban areas (20) _____. However, this influx,has caused overcrowding, (21) _____. Pollution levels have increased,significantly, affecting the health of city residents. Authorities have,had to upgrade public transportation systems to reduce traffic,congestion and improve air quality. Additionally, sanitation services,have been improved to handle the growing population, ensuring that,waste is properly managed. The government (22) _____ to provide,residents with areas to relax. These improvements have made city life,more bearable, (23) _____.,18. A. has described the use of big cities B. has been used to,describe big cities,C. has used big cities to describe D. has got big cities,described,19. A. not only opportunities but also challenges,B. either opportunities or challenges,C. neither opportunities nor challenges,D. so opportunities and challenges,20. A. to have better jobs and living conditions searched,B. searching better jobs and living conditions,C. who search for better jobs and living conditions,D. in search of better jobs and living conditions,21. A. which has led to various issues B. that has led to,various issues,C. causing to various issues D. resulted in various issues,22. A. has also got new parks and green spaces to,create,B. has also had new parks and green spaces created,C. has had new parks and green spaces also create,D. has also let new parks and green spaces being created,23. A. however people still do much work to address the,challenges of urbanization,B. despite much work should be done to address the challenges,of urbanization,C. although there is still much work which done to address the,challenges of urbanization,D. but there is still much work to be done to address the,challenges of urbanization

Question

Accepted Answer

Here are the answers to the given blanks:

18. B. has been used to describe big cities
19. A. not only opportunities but also challenges
20. D. in search of better jobs and living conditions
21. B. that has led to various issues
22. B. has also had new parks and green spaces created
23. D. but there is still much work to be done to address the challenges of urbanization