Cevap:
Açıklama:
1. You shouldn't go to bed very late. It is very (harmful) to your health.
2. What's the (population) of that small village?
3. Don't (waste) water while you are brushing your teeth.
4. We shouldn't throw (rubbish) around.
5. We must do something to (prevent) air pollution.
6. If you want to lose weight, try to (reduce) the fat in your diet.
7. When you wash your clothes, you should use environmentally (friendly) washing powder.
8. Please (unplug) the television if you don't watch it.
9. We should use (electrical) devices carefully.
10. We can go to the park and eat our (sandwiches) there.
11. We always pick up the (garbage) on our way.
12. Let's go bird (watching) today.
