1.- Does something stink here? – _________________________ A. I can’t hear anything. B. Really? Show me what you see. C. Everything is good. D. It’s because of garbage littered into the river near here. 2. – _________________________ – That’s the reason why I usually have headaches. A. This song sounds great. B. The river is seriously contaminated. C. Our city has too much noise pollution. D. You ate too much raw meat tonight. 3. – ______________________ – Let’s clean it up. A. The room is so dirty. B. Air pollution does harm to our health. C. Farmers use too much pesticide that badly affects soil and small animals. D. What do you think about water pollution in our neighbourhood? Giai chi tiet nha.