IV.
1. d
2. d
3. c
4. a
5. b
6. b
7. a
8. b
9. d
10. c
11. c
12. a
13. b
14. b
15. b
16. c
17. d
18. b
19. a
20. d
V.
2. Scotland is colder than Athens
3. Chinese is more difficult than English.
4. Jennifer Lopez is prettier than Madona
5. Football is better than volleyball,
6. A novel is longer than a short story