Câu hỏi:

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?

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.

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

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