We had a marvelous holiday: only the last two days were slightly _____ by the weather.

　　A. damaged    B. hurt    C. ruined    D. spoiled

 It would be _____ a risk to let the child go to school by himself.

　　A. following  B. passing  C. running    D. carrying

 The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.

　　A. likely    B. capable    C. possible    D. probable

No one imagined that the apparently _____ businessman was really a criminal.

　　A. respectful B. respectable C. respective  D. respected

 When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.

　　A. opportunity B. possibility  C. occasion D. chance

Evidence obtained from observation and experiment is often used to _____ a scientific theory.

　　A. confirm    B. confine    C. conform    D. conceive

Achieving a high degree of proficiency in English as a foreign language is not a mysterious _____  without scientific basis.

　　A. process    B. practice    C. procedure    D. program

It was a pity that the great writer died _________ his work unfinished.

       A. for                    B. with               C. from                 D. of

 If you go to Xi’an, you’ll find the palaces there more splendid than commonly ________.

       A. supposed               B. suppose             C. to suppose             D. supposing

Bad habits, _________ formed, are difficult to get rid of.

       A. and                B. or                      C. once                  D. but