Câu hỏi:

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

The result of the exam will announce in June.

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.

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

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

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

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