1. People will use biogas for fuel in homes and for transport
-> Biogas will be used for fuels in homes and for transport in the future.
Câu bị động thì tương lai đơn : S + will be + V(c3)ed.......by + O TG
Complete the sentence with the correct tense of the verb given
->Have you studied English for 4 years.
Thể nghi vấn ở thì hiện tại hoàn thành : Have/ Has + S + V(3)3d.......+ for/since + TG