Do you kown that Jack gets ill again? I think that nowadays people become weaker and weaker. Paying less attention to diet, having an irregular rest and doing less exercise. How do you think?
Have you known that Jack falls ill again? I think people's physical qualities are getting worse and worse at present. They pay little attention to their diet and they don't have a regular schedule for bedtime and rising time. They hardly ever do exercise. What is your opinion?