I'm afraid that I won't come to your house tomorrow.

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

Laos and Cambodia have big plans for building up to 11 ___________ on the lower Mekong.

There are many available ___________ power sources in Vietnam including sun, wind, water, etc.

In India, the demand for ___________ has always been more than the supply.

When will the non-renewable energy sources be use up?

The result of the exam will announce in June.

Will nuclear energy used by many countries in the world?

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

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.

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

Two layers of glass in the window will be stopped the heat going out.

Will your class visit the hydro power station in Hoa Binh next week?

The government has warned that Britain will face power ___________ in the coming winters.