16. A lot of ants are always invading my kitchen. They are a thorough ______.
A. nuisance B. trouble C. worry D. anxiety
17. Out of ______ revenge, he did his worst to blacken her character and ruin her reputation.
A. perfect B. total C. sheer D. thorough
18. I’ve already had one holiday in Africa, and I’m not ______ on going there again.
A. willing B. ready C. eager D. keen
19. To call the music of another music-culture “primitive” is ______ one’s own standards on a group that does not recognize them.
A. putting B. imposing
C. forcing D. emphasizing
20. Smoking will be ______ in all public places here.
A. banned B. allowed
C. promoted D. permitted