----- Nội dung dịch tự động từ ảnh ----- Exercise 1: Write the words that are suitable with the meanings. Example: 0. dirty air in towns and cities: pollution 1. buses and trains that people pay to travel on: p 2. a long line of vehicles waiting to move: t 3. large numbers of people in one place: c 4. words or pictures that we see on walls: g 5. the busiest period in a city for traffic: 6. areas of grass and trees in a city: g 7. things some people don't want and leave on the street: r 8. when an electrical system stops working: p S h C
