Câu hỏi:

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

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

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

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.

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

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

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