I.
1. more comfortable than
2. better than
3. older than
4. worse than
5. colder than
6. taller than
7. more interesting than
8. more difficult than
9. more tired than
10. more expensive than
11. faster - more comfortable than
12. more expensive than
13. quicker
14. better
15. more fluently
16. more carefully
17. more hard-working
18. happier
19. more carefully
20. harder
21. more graceful
22. nicer
23. later
24. quicker
25. more beautiful
26. easier
27. thiếu đề
28. clearer
29. The largest
30. the longest
31. the shortest
32. the most important
33. the highest
34. The most beautiful
36. the largest
37. the most difficult
38. the biggest
39. the oldest
40. the most expensive
41. the worst
42. the most intelligent
43. the funniest
44. as tall
45. large as
46. as beautiful
47. harder
48. more important
49. best
50. happier
51. most international
52. stronger
53. most delightful
54. lazier - lazier
55. most careful
56. worse
57. cheaper - cheaper
58. earlier than
59. more badly than
60. longest
61. efficiently than
62. fluently as
63. faster - faster
64. better than
65. harder than
66. later
67. well as
II.
1. harder and harder
2. bigger and bigger
3. more and more nervous
4. worse and worse
5. more and more talkative
6. harder and harder
7. more and more confused
8. more and more difficult
9. more and more complicated
10. more and more
11. longer and longer
12. worse and worse.