III

1.There are 250 people in buon krong's village

2.They grow corn and coffee here for a living

3.Because there isn't  much traffic and there are no fatories

4.No,there isn't

5.He prefers to live in his village

IV

1.play 

2.herd

3.holds

4.doing

5.is

V

1.My friends enjoy flying kites in the countryside

2.Hang is the fattest in my class

3.Hung's brother doesn't drive as carefully as him

4.Life in the city is faster than life in the country