Read the passage and choose the correct answer A, B, C for each blank.

Scientists say that in the future people will live (20) _____. Incurable diseases will be cured and ‘bad' genes will probably be (21) _____. With healthier lifestyles and better medical care the average person will live to be 100 instead of 70 (for men) or 75 (for women) like (22) ______. Anti-ageing pills will also be invented to (23) _____ people live longer.