----- Nội dung dịch tự động từ ảnh ----- chickens D. A and B III) Điền vào mỗi chỗ trống với giới từ thích hợp. 1. Where does the pollution come 2. What does he do 3. What are we doing. 4. Which waste food? 7 the environment? these things do factories recycle? 5. People collect waste food and feed it 6. You should put trash 7. The population a trash can the world is growing. B. Don't throw empty bottles and cans pigs the street. 165
