He stopped smoking for the ________ of his health.
A. reason
B. purpose
C. benefit
D. sake
Although I get a good ________, I feel unhappy.
A. wage
B. salary
C. pay
D. money
A police officer ________the tourist from being cheated.
A. rescued
B. saved
C. kept
D. retained
All the ________are doomed to failure.
A. plans
B. devices
C. schemes
D. strategies