Cevap:
1. We shouldn't use our private cars.
2. We should plant more trees.
3. We should use eco-friendly items.
4. You should turn off the lights when you leave the room.
5. She should sort out her rubbish.
6. You should turn off the tap when you don't use it.
7. You shouldn't throw your rubbish on the ground.
Açıklama:
İyi çalışmalar.
