----- Nội dung ảnh ----- **Writing Skill** **Writing problem and solution passages.** To write a problem and solution passage, you should: 1. Introduce the problem. These days, many teenagers are unhealthy. 2. Explain the problem in detail. You can talk about its causes and/or effects. There aren't many places in our city to exercise or play sports. This means that many young people do not exercise, so they don't become fit and strong. 3. Give solutions and explain why they work. I have an idea about how to solve this problem. Our city needs more sports centers for teenagers. This will help teenagers to exercise more often.