Change the sentences into the passive voice

I. Change the sentences into the passive voice.
1. We will use less electricity in the future.
àLess electricity …………………………...............................................................
2. The students in my school will use public transport when travelling long distances.
àPublic transport.................................................................................................
3.I will turn off the lights when leaving a room or going to bed.
à The lights…………………………………………..…..………….……..……..
4.Wind power will offer a great deal of energy next century.
àA great deal of energy ……………………………………………………….
5. We will use sources of energy more effectively for our future.
àSources of energy …………………………………………………………
6. People in the countryside will increase the use of biogas for cooking.
àThe use of biogas ………………………………………………………………….…
7. They will build a hydropower station in the North of the country next decade.
àA hydropower station ………………………………………..……………………
8. We will solve the problem of energy shortage by using solar energy.
à The problem of energy shortage ……………………..…………………………