so sánh hơn

2 worse

3 clearer

4 well

5 better

6 easier

7  more simple

8 later

9 narrowed

10 earlier

11 fluently

12 more intelligent

13 more boring

14 faster

15 happier

IV.1b louder

2a more confident

3b more beautifully

4c faster

5a better

6c harder

7b earlier

8a more carefully

9a slowlier

10a better

V.1 more fluently

2 more happily

3 earlier

4 later

5 more gracefully

6 louder

7 better

8 slowlier

9 higher

10 farther

11 more carefully

12 more often

13 faster

14 worse

15 hard

VI.1 I play tennis worse than Tom

2 the australian athlete runs more slowly than the korean athlete

3 cats walk more quietly than dogs

4 james replied more swiftly than peter

5 the tiger hunts more ferociously than the wolf

6 your idea works better than mine

7 I eat vegetables more often than I used to

8 today you perform worse than yesterday

VII.1 cheaper

2 more effective

3 more beautiful than

4 more powerful than

5 taller than

6 heavier than

7 longer than

8 easier than

9 more comfortable than

10 more interesting 

VIII.1 best

2 happiest

3 faster

4 more colourful

5 better

6 good

7 least

8 prettiest

9 the best

10 the sicker