Exercise 4: Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions 1. During his A. child 2. How many. 4. A. compete 3. We won't buy the car until the A. necessary the family lived in Cornwall. B. childlike were there in all? A. Industrious 5. Mount Vesurius is an B. competitions arises. C. childish B. necessity waste is one of the causes of air pollution. B. Industrial volcano. A. act B. active 6. He is confident enough to express his opinion A. comfortable B. comfort C. competitive C. necessarily C. industry C. action C. comfortably D. childhood D. competitors D. unnecessary D. industrialization D. activity D. uncomfortable