giúp ----- Nội dung dịch tự động từ ảnh ----- Choose the correct answer to complete each sentence. 21. Energy we get from the sun is called. energy. A. solar 22. A. Renewable 23. We want to build a pool for making. A. coal 24. C. nuclear B. hydro resources are those that cannot be replaced when people have used them up. C. Plentiful B. Non-renewable for cooking. B. electricity C. biogas is hard black rock which is still used in many homes and factories for energy. A. Methane B. Coal C. Gas 25. Energy sources like the sun and wind are___________ and clean to use. A. limited B. polluting 26. energy is produced from moving air with large turbines. C. plentiful B. Hydro C. Solar A. Wind 27._________ energy is unlimited but many people are still worried about its safety. A. Solar C. Nuclear ones. That will help protect the B. Wind 28. You should replace your light bulbs with environment. WRITING A. low energy B. electrical C. renewable 29. Please remember to turn off all the appliances when you leave the room. A. electrical B. renewable C. solar 30. We should stop using coal because it is very_ to the environment. A. abundant B. available C. harmful PRONUN Choose 1. A. 2. A 3. A 4. A 5. A GRAM Choos 6. 7