A. interrupt B. depressed C. hotel D. candidate A. piece B. controversial C. go through D. wave A. journey B. center C. relativity D. twice A. receptionist B. maybe C. rare D. afford A. look back at B. experience C. be likely to D. sports day A. honour B. shout at C. first place D. language A. choice B. performance C. mighty D. face-to-face A. workmate B. forehead C. group D. steam A. waterfront B. pop singer C. lab D. difficult A. civilized B. the day after tomorrow C. triple D. weak