9. Jane said that she couldn't tolerate the long hours.
A. stand
B. spend
C. take
D. last
10. We explored the possibility of expansion at the conference.
A. offered
B. included
C. investigated
D. accepted
11. His shoes were shined to perfection.
A. polished
B. cleared
C. washed
D. mended
12. She always finds fault with everything.
A. criticizes
B. simplifies
C. evaluates
D. examines
13. We have to act within the existing legal framework.
A. limit
B. procedure
C. status
D. system
14. The high-speed trains can have a major impact on our lives.
A. effort
B. problem
C. concern
D. influence
15. The study also notes a steady decline in the number of college students taking science courses.
A. relative
B. continuous
C. general
D. sharp
