Old people can have difficulty using computer, it can turn a simple task into a lot of what? - glad - program created - pleasure - stress - increased efficiency  The best answer is
stress

The beach had a pathway for riding bike, peacefully cruising along brought many what? - enjoyment - pleasure - falling down - anger - get somewhere  The best answer is
pleasure

If a crowd of people are all in a relationship except for one, what can they be considered? - single person - few people - individual - small group - fun  The best answer is
single person