Change the sentences into the passive voice.
(Chuyển các câu sau sang câu bị đông)
1. We will use less electricity in the future.
à Less electricity …………………………======--...
2. The students in my school will use public transport when travelling long distances.
à Public 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.
à Sources of energy ………………………………………………………...……………………
6. People in the countryside will increase the use of biogas for cooking.
à The use of biogas …………………………………………………………………….………
7. They will build a hydropower station in the North of the country next decade.
à A hydropower station …………………………………………………...……………………
8. We will solve the problem of energy shortage by using solar energy.
à The problem of energy shortage ………………………..……………………………………