A.

I. 1. B. chair

2. C. sugar

3. B. novel

4. D. indoors

II. 1. C. gather

2. A. mixture

3. D. improve

4. A. museum

B. I. 
1. B. in

2. A. was

3. C. a little 

4. B. to brush

5. D. A and B

6. B. don't, either

7. D. among

8. A. as much as

II.

1. goes/ didn't go

2. did you have

3. didn't you take

4. is your teacher/ is explaining

5. will pick

6. is raining 

III.

1. awake

2. addition 

3. painful

4. heated

5. unhealthy 

6. unpleased

7. disappear 

8. less

A:

I:

1: B
2: C
3: B
4: D

II:

1: C
2: A
3: D
4: A

B:

I:

1: C
2: A
3: B
4: B
5: D
6: B
7: D
8: A

II:

1: goes - didn't go
2: did you have
3: didn't you take
4: is your teacher - is explaining
5: will pick
6: is raining

III:

1: awake
2: addition
3: painful
4: heated
5: unhealthy
6: unpleasant
7: disappear
8: less