----- Nội dung dịch tự động từ ảnh -----
1. If we don’t use recycled paper, we will save a lot of trees.
2. Streets will be cleaner if people puts trash in a trash bin.
3. People can have breathing problems if they will breathe polluted air.
4. If she doesn’t use plastic bags, she will help to reduce a plastic waste.
5. If plastic waste is thrown away, it will be dangerous for environment.
6. They use solar energy to cook and running home appliances.
7. You should keep that item - it might being very useful one day.
8. If robots will do all our work, we will become so lazy.