7.C

8.D

9.B

10.C

11.B

12.B

13.A

14.B

15.D

16.A

17.C

18.D

19.A

20.A

II.

1.about - like

2.at - for

3.by - on

4.in - under

5.below - in

6.at - of

7.at - as

8.in - between

9.by - during

III.

1.will be - having

2.haven't done - assigned

3.recover - had ended

4.to answer - rings

5.paying - gave

6.retires - will have worked

7.always talks - were

8.am reading - written

9.complaining - attended

10.were having - failed

IV.

1.illogical

2.imaginative

3.theft  

4.belief

5.suspicion  

6.courageous 

7.frozen 

8.bravery

9.mountainous

10.applicable

1will be /having

2haven't done /assigned

3recover /had ended

4to answer /rings

5paying /gave

6retires /will have worked

7always talks /were

8am reading /written

9complaining /attended

10were having - failed