Câu hỏi:

 ___________ can be an excellent source of free, renewable energy for poor farmers.

 ___________ energy is produced by collecting sunlight and converting it into electricity.

The result of the exam will announce in June.

I hope the storm won't be destroyed many buildings in the city.

When you save energy, you not only save money, you also reduce the demand for ___________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

Will nuclear energy used by many countries in the world?

They will destroy the forest to build a hydro power station.