master      
#4440
A
perfect
B
prisoner
C
servant
D
merchant
推荐题目
Though bought ten years ago,the car is still in good ______.
#4450
A
situation
B
condition
C
position
D
station
 He has five___________ , and they are all doctors working in the same hospital . 
#4442
A
sons- in-laws
B
son-in-laws
C
sons-in-law
D
son in laws
He is such a man that _________ his clothes very much.
#4437
A
cares about
B
cares for
C
takes care
D
takes care of