A. quarter B. walk the dog C. for ever D. work A. worry about B. compete C. transportation D. tentative A. blackberry B. communism C. fin D. men A. hardened B. creativity C. science D. fall over A. leisure B. sure C. withdrawal D. throw away A. harmful B. left C. petrify D. waste A. talk about B. napkin C. colleague D. weariness A. agriculture B. never C. good morning D. take part in A. aircraft B. storm C. no problem D. wooden A. broad B. window C. keep fit D. law