cho từ điền vào chỗ trống
panels              energy             overheat               non- renewable                recycle                   available
hydro energy            appliances             fossil fuels                  wind
1. The wind energy is cheap and readily .... dủing summer in our region
2. If the fan doensn't work, the energy could ...
3. Solar ... are put on the roof to produce electricity
4. We ... all our cán and bottles
5. The ... farm will provide enough for 100.000 homes
6. Batteries store ... from the solar panels
7. All coutries are asked to reduce their use of ... sources of energy 
8. We would like people use mpre renewable energy sources instead of...
9. We should use less gas, but increase the use of ... and nuclear energy
10. His new job is to make sure lights and electrical ... are switched off when they are not used