21. 

Race : Fatigue :: Fast : ?

A. Food
B. Laziness
C. Hunger
D. Race

22. 

Peace : Chaos :: Creation : ?

A. Build
B. Construction
C. Destruction
D. Manufacture

23. 

Tiger : Forest :: Otter : ?

A. Cage
B. Sky
C. Nest
D. Water

24. 

Poles : Magnet :: ? : Battery

A. Cells
B. Power
C. Terminals
D. Energy

25. 

Cassock : Priest :: ? : Graduate

A. Cap
B. Tie
C. Coat
D. Gown