PART A_2
3. What did the man accumulate in the third photo? He accumulated a reward as an employee.
4. Muscle fatigue, particularly backache, happened to him.
PART B_2
Do you think 15-year-olds should be allowed to work?
I think so. It depends on what kind of problem he confronts. If the problem is lack of living expenses, there are no choice beside getting some jobs. If the purpose of earning money is to buy toys and/or gamesoftwares, I would insist 15-year-olds should not be allowed to work.
