You should spend about 40 minutes on this task.
In many countries, people are moving from rural areas to large cities. This causes problems for both the cities and the countryside.
What are the main problems, and what measures could be taken to solve them?
Write at least 250 words.
Bài lưu tạm trong máy, thoát ra vào lại vẫn còn.
Chấm mất khoảng 15–30 giây.