Change the following sentences into the passive voice.

1. People in Britain will spend a lot of money on heating next year.

-> A lot of money will .........

2. People will use  biogas for fuel in homes and for transport.

-> Biogas will ...........

3. We will use renewable energy sources like wind and solar energy to solve the problems of pollution.

-> Renewable energy sources kile wind and solar energy will ........

4. We will reduce our use of electricity to save our energy.

-> The use of electricity will ..

5. They will build a hydro power station in this area next year.

-> A hydro power station will ......