Change the following sentences into the Passive Voice

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B. Change the following sentences into the Passive Voice.
1. We will use less electricity in the future.
->Less electricity ...
2. The students in my school will use public transport when travelling long distances.
->Public transport
3. I will turn off the lights when leaving a room or going to bed.
->The lights ....
4. Wind power will offer a great deal of energy next century.
->A great deal of energy.
5. We will use sources of energy more effectively for our future.
->Sources of energy ...
6. People in the countryside will increase the use of biogas for cooking.
->The use of biogas
7. They will build a hydro power station in the North of the country next decade.
->A hydro power station ...
8. We will solve the problem of energy shortage by using solar energy.
->The problem of energy shortage...
....