Mr. Black is an ________ in the army, not an ________ in the government. You can not easily find him in his ________ .
A. official;officer;office
B. officer;office;official
C. official;official;official
D. officer;official;office
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You’d better give up smoking if you want to keep ________ .
A. health
B. healthy
C. healthily
D. healthier
If the temperature is sub-zero, the temperature is ________ .
A. above zero
B. below zero
C. at zero
D. zero
To everyone’s ________ , the girl finished the job quite well.
A. satisfied
B. satisfactory
C. dissatisfaction
D. satisfaction
为了保证病人有适当的空间，病床之间的距离不得少于
A. 0.5m
B. 1m
C. 1.5m
D. 2m
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