2 stronger

3 smaller

4 more expensive

5 warmer

6 more interesting

7 more difficult

8 better

9 worse

10 longer

11 quieter 

12 more often

13 farther

1 angry

2 quietly

3 carefully

4 careless

5 quickly

6 happy

7 heavily

8 seriously

9 serious

2 more reliable

3 more serious than

4 thinner

5 bigger

6 more interested 

7 more important than 

8 simpler

9 more crowded than

10 more peaceful than

11 more easily

12 higher than

1 D

2 C 

3 A

4 D

5 E

6 B

7 C

8 D

9 C

10 E

qualify

confidence-

than