A. be concerned about B. decay C. starfish D. exhibition A. unfortunate B. trail C. writer D. experiment A. pizza B. comprehension C. visit D. wheel A. of all ages B. airmail C. bell D. computer programmer A. be caught in B. upstairs C. hire D. get on with A. deadly B. sighting C. chemistry D. account A. rope B. aquarium C. safe D. nearly A. less and less B. downstairs C. take care of D. disinherit A. high-handed B. punish C. DVD D. radioactivity A. no good B. accountant C. cheer D. universe