Câu hỏi:

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

The result of the exam will announce in June.

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

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

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

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