11. By the time the fire-engine arrived, the fire had been put ________by the inhabitants.
A. away B. off
C. down D. out
12. You are not allowed to make any changes to the book without the author’s________.
A. order B. trust
C. permission D. authority
13. A good education should, among other things, ________you to think for yourself.
A. force B. make
C. tell D. train
14. Because agriculture is so important to a nation’s well-being, governments have always been ________with it.
A. compared B. concerned
C. connected D. correlated
15. The ________progress of science and technology in the 20th century has brought enormous benefits to humankind.
A. magnificent B. remarkable
C. grand D. brilliant