16. The trade unions in this industry are ____ any reduction in wages.
A. objecting against
B. opposed to
C. reacted to
D. resisting against
17. She was teaching me ____ you would teach a younger child to speak the language.
A. the way
B. in the way
C. a way
D. to the way
18. The Brownings have not ____ yet and I doubt whether they will come.
A. turned in
B. turned out
C. turned up
D. turned to
19.We went on a(n) ____ to the mountain yesterday.
A. excursion
B. trip
C. tour
D. travel
20.When Sarah and I ____ on an article for the school newspaper, we found it difficult to work together.
A. compiled
B. gathered
C. collaborated
D. collected