Câu trả lời:
II.
1.quiet
2.be
3.bigger
4.shopping
5.pollution
III.
1.She prefers to live in a large city.
2.Only four hundred pepple live in this village.
3.It is sometimes hard to breathe in the city.
4.They have gone to work in larger towns.
5.I think living in the countryside is better.
IV.
1.F 2.T 3.T