( )1. A. Water pollution. ( )2. A. Yes, it is. ( )3. A. White pollution. ( )4. A. No, they can't. ( )5. A. Yes, she does. |
B. Light pollution. B. No, it isn't. B. Noise pollution. B. Yes, they can. B. No, she doesn't. |
C. Air pollution. C. I don't know. C. Light pollution. C. I don't know. C. That's OK. |