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21. In a time of social reform, people’s state of mind tends to keep pace with the rapid changes of
society.
A. take step
B. match up
C. keep in touch
D. make progress
22. If decisions are delayed until the problems become worse, possibilities for effective actions will be severely reduced.
A. options
B. notions
C. fortunes
D. occasions
23. You can add the fluid to the powder, or, vice versa, the powder to the fluid.
A. conventionally
B. convertibly
C. conversely
D. conversationally
24. She anxiously inspected the faces of the men leaving the train in the hope of find her husband.
A. approached
B. searched
C. scanned
D. recalled
25. In Britain, and on the Continent too, the Japanese are sometimes viewed as a threat to domestic industries.
A. looked like
B. varied with
C. thought for
D. supposed as