làm bài 2, 4, 5, 6 đó nha thanks!!!

II. 

1. easier

2. cleaner

3. healthier

4. longer

5. more comfortable

6. happier

7. more stressful

8. better

9. worse

10. greener

IV.

1. B. poor poorly

2. C. could couldn't

3. C. electric electricity 

4. A. easy easily

5. D. I pick fruit picking fruit

6. A. boring with bored with

7. B. much more

8. B. riding to ride

V. 

1. will play

2. is arriving

3. spent

4. have ridden

5. is grazing

6. are

7. have lived

8. doesn't excite

9. to visit

10. driving

VI.

1. enjoyment

2. farmers

3. larger

4. peaceful

5. braveness

6. uncomfortable

7. conveniencr

8. traditionally

9. populated

10. unforgetable