1/The students are doing the project in the classroom at the moment.
2/We will save the electricity by use a fewer electrical appiliances in the future.
3/People in my country are use the biogas for cooking by heating nowadays.
4/We use renewable energy to reolace the non -renewable energy.
5/We will travel by flying cars beacause normal cars use more cause pollution.
6/Students aren't studying unit 10 at the moment.