1. Many countries/ tobe/ using/ solar energy.
..................................................................................................................
2. save/energy/one/best/way/conserve/natural/resources.
..................................................................................................................
3. At present/ most/ our electricity/ come/ fossil fuels/ such as/ coal, gas, oil ….
..................................................................................................................
4. plant/tree/create/shade/around/house/help/keep/it/cool.
..................................................................................................................
5. Turn/all/light/every/time/leave/room.
..................................................................................................................