1) 17 a) A. and yet the problem is not that people work too hard nowadays. b) B. and few people today die of exhaustion from physical work. c) C. because we live in a cleaner world with better medical care. d) D. they are in complete agreement. e) E. but physical labour is still the basis of most jobs in the world. f) F. have taken over many of their tasks. 2) 18 a) A. and yet the problem is not that people work too hard nowadays. b) B. and few people today die of exhaustion from physical work. c) C. because we live in a cleaner world with better medical care. d) D. they are in complete agreement. e) E. but physical labour is still the basis of most jobs in the world. f) F. have taken over many of their tasks. 3) 19 a) A. and yet the problem is not that people work too hard nowadays. b) B. and few people today die of exhaustion from physical work. c) C. because we live in a cleaner world with better medical care. d) D. they are in complete agreement. e) E. but physical labour is still the basis of most jobs in the world. f) F. have taken over many of their tasks. 4) 20 a) A. and yet the problem is not that people work too hard nowadays. b) B. and few people today die of exhaustion from physical work. c) C. because we live in a cleaner world with better medical care. d) D. they are in complete agreement. e) E. but physical labour is still the basis of most jobs in the world. f) F. have taken over many of their tasks. 5) 21 a) A. and yet the problem is not that people work too hard nowadays. b) B. and few people today die of exhaustion from physical work. c) C. because we live in a cleaner world with better medical care. d) D. they are in complete agreement. e) E. but physical labour is still the basis of most jobs in the world. f) F. have taken over many of their tasks. 6) 22 a) A. and yet the problem is not that people work too hard nowadays. b) B. and few people today die of exhaustion from physical work. c) C. because we live in a cleaner world with better medical care. d) D. they are in complete agreement. e) E. but physical labour is still the basis of most jobs in the world. f) G and many labourious jobs have become more bearable.

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