Chuyển các câu sau sang câu bị động

1. Scientists anticipate that people will use up fossil fuels by 2052.

2. In the future, an energy crisis will force civilization to research and develop alternative energy sources.

3. The United Nations Intergovernmental Panel on Climate Change (IPCC) will release a report in November about current figures of greenhouse-gas emissions.

4. Human will use the sun as the biggest energy source for the future.

5. Because of climate change, people will have to spend a lot of money on heating and cooling, much more than they used to.

6. We will minimize the use of electricity to save our energy.

7. Space-based solar power will allow us to work around these challenges.

8. People will discover many kinds of alternative energy to address concerns about fossil fuels, such as its high carbon dioxide emissions.

9. Because of the variety of energy choices and differing goals of their advocates, people consider that defining some energy types as "alternative" is controversial.

10. Solar energy will replace most of fossil fuels in the future.