Làm giúp mk phần này với ạ

1. Because they had been told about the dangers of chemical fertilisers, they turned to bio-fertilisers.

2. Because I had spent the whole day cleaning up my room, I needed to take a shower and have a rest.

3. After I had finished all my homework, I watched my favorite film on TV.

4. After I had watched the documentary about wildlife, I made a donation to an environmental society.

5. After we had read the stories about people who reduced their carbon footprint, we started to change our daily comsumption habits.

6. After I had eaten my evening meal, I decided to go for a walk.

7. Since the authorities had managed water resources irresponsibly, they had to deal with water shortages in the region.