Bạn tham khảo nhé :

1. Coal is more expensive and more polluting than natural gas.

2. We are looking for cheap and clean and effective sourced of energy.

3. Will fossil fuels be replaced by solar and wind within 20 years ?

4. I have visited Yaly hydroelectric power plant twice.

5. The first hydroelectric power plant was built in Niagara Falls in 1879.

6. You should switch off electrical appliances when they aren't in use.

7. Despite being the most polluting of fossil fuels, coal is still the largest sources of energy worldwide.

8. People will use biogas for fuel in homes and for transport.

→ Cấu trúc :

- So sánh hơn tính từ dài : S + tobe + more + adj + than + S.

- Thì hiện tại hoàn thành : S + have/has + V3/ed...

- Câu bị động thì quá khứ đơn : S + was/were + V3/ed...

- S + should + Vnguyên thể...

- Câu nhượng bộ ( Adv clauses of concession ) : Despite + N/Pharse/Ving...

- Câu chủ động thì tương lai đơn : S + will + Vnguyên thể...

Chúc bạn học tốt !