Change these sentences into the passive voice:
1. We will use less electricity in the future.
=> Less electricity ..................................
2. We will use sources of energy more effectively for our future
=> Sources of energy......................
3. People in Britain will spend a lot of money on heating next year.
=> A lot of money ........................
4. We will develop alternative sources of energy.
=> Alternative sources of energy.....................
Change these sentences into the passive voice:
1. We will use less electricity in the future.
=> Less electricity will be used in the future.
2. We will use sources of energy more effectively for our future
=> Sources of energy will be used more effectively for our future.
3. People in Britain will spend a lot of money on heating next year.
=> A lot of money will be spent on heating by people in Britain next year.
4. We will develop alternative sources of energy.
=> Alternative sources of energy will be developed.
