1. During his                  the family lived in Cornwall.

A. child                             B. childlike                     C. childish                       D. childhood

2. How many                  were there in all?

A. compete                        B. competitions              C. competitive                 D. competitors

3. We won't buy the car until the                  arises.

A. necessary                      B. necessity                    C. necessarily                   D. unnecessary

4.                 waste is one of the causes of air pollution.

A. Industrious                   B. Industrial                   C. industry                       D. industrialization

5. Mount Vesurius is an                  volcano.

A. act                                B. active                         C. action                          D. activity

6. He is confident enough to express his opinion                 

A. comfortable                  B. comfort                      C. comfortably                D. uncomfortable

7. She is so busy with                  activities that she has no time for entertainment.

A. society                          B. social                         C. sociable                       D. socialization

8. One day, young Faraday attended a lecture given by a                  scientist, Sir Humphry Davy.

A. famous                         B. fame                          C. famously                     D. infamous

9. He has been very interested in doing research on                  since he was at high school.

A. Biology                        B. biological                   C. biologist                      D. biologically

10. You are old enough to take                  for what you have done.

A. responsible                   B. responsibility             C. responsibly                  D. irresponsible