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.

The result of the exam will announce in June.

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

Will nuclear energy used by many countries in the world?

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.

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

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

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

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?