chuyển các câu sau sang câu bị động
1.we will use les electricity in the future
-> les electicity..................
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 hydropower station in the North of the country next decade
->A hydropower station..................
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