1) During his ________, the family lived in Cornwall.  a) A. child  b) B. childlike c) C. childish d) D. childhood 2) How many ________ were there in all? a) A. compete  b) B. competitions c) C. competitive d) D. competitors 3) We won't buy the car until the ________ arises. a) A. necessary  b) B. necessity c) C. necessarily d) D. unnecessary 4) ________ waste is one of the causes of air pollution. a) A. Industrious  b) B. Industrial c) C. industry d) D. industrialization 5) Mount Vesuvius is an ________ volcano. a) A. act  b) B. active c) C. action d) D. activity 6) He is confident enough to express his opinion ________. a) A. comfortable  b) B. comfort c) C. comfortably d) D. uncomfortable 7) She is so busy with ________ activities that she has no time for entertainment. a) A. society  b) B. social c) C. sociable d) D. socialization 8) One day, young Faraday attended a lecture given by a ________ scientist, Sir Humphry Davy. a) A. famous  b) B. fame c) C. famously d) D. infamous 9) He has been very interested in doing research on ________ since he was at high school. a) A. Biology  b) B. biological c) C. biologist d) D. biologically 10) You are old enough to take ________ for what you have done. a) A. responsible  b) B. responsibility c) C. responsibly d) D. irresponsible

Exercise 4 - Word forms

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