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 20^th century has brought enormous benefits to humankind.

A. magnificent                                                  B. remarkable

C. grand                                                           D. brilliant