X. Complete the sentences with the correct preposition. 1. Coat will be replaced natural gas, wind and solar by 2080. 2. Fossil fuels, including oil, coal and natural gas, are harmful the environment. 3. Once non –renewable resources are used , they are gone forever. 4. What will happen if non –renewable resources run… ? 5. Sulphur dioxide has a direct effect healthy and the environment? 6. We are looking cheap, clean and effective sources of energy. 7. Vietnam still relies mostly non –renewable energy sources. 8. Sunlight is converted electricity by each solar cell in the panels. 9. Turning lights saves energy and it also saves money. 10. In developing countries, biogas is mostly used cooking, heating and lighting Chỗ để trống là chỗ cần điền ạ?Mong anh chị hoặc bạn cùng lứa giúp!! :D