Choose the best answers to complete the following sentences.
Question 1. _____ particles reach the Earth in just 8 minutes.
Question 2. Listen! _____ the piano in her room?
Question 3. My best friend _____ writing poems.
Question 4. Either my brother or Jack’s _____to the gym in the mornings.
Question 5. They _____ really hard-working at school.
Question 6. Nowadays, people in Iceland _____ using energy from coal.
Question 7. I don’t think so. The solar panels are becoming _____ and easy to install.
Question 8. Be quiet! Our grandparents _____.
Question 9. More renewable energy sources will be used to solve the problem of _____.
Question 10. Energy is used to produce a lot of _____ things.
Question 11. Because our major sources of energy are running out while solar energy is abundant and _____.
Question 12. They _____ for a cheap, clean and effective source of energy now.
Question 13. They _____ready to go to the concert.
Question 14. It _____ darker. I _____ to go home now.
Question 15. I know it is also clean and safe for the environment. But does it cost a lot of money to install the _____ panels on the roofs?
Question 16. My dad _____ his car at the moment.
Question 17. _____ your teacher American?
Question 18. My brother _____ playing golf now.
Question 19. We _____in a resort at present.
Question 20. _____ Bill’s cousins _____ trees in the garden?
Question 21. _____, fossil fuels are harmful to the environment.
Question 22. Renewable sources _____ from the sun, wind or water.
Question 23. In India, the demand for ___________ has always been more than the supply.
Question 24. She _____ watching documentaries.
Question 25. Jack _____ his clothes on the floor. It looks so messy.
Question 26. Scientists are looking for clean and _____ sources of energy.
Question 27. How often _____ the dog for a walk?
Question 28. Why _____ to the cinema tonight?
Question 29. I _____ the dishes after meals.
Question 30. She _____ physics in a high school.
Question 31. Where _____? - She _____ the laundry.
Question 32. Is she baking cookies now? - Yes, she _____.
Question 33. I go to bed at 10 p.m every day, but today I _____ to bed at 9 p.m.
Question 34. _____ heavily in summer in your country?
Question 35. My mother _____ the housework now.
Question 36. What time _____ Keith have lunch every afternoon?
Question 37. The students _____ the project now.
Question 38. The _____ of wind turbines will be completed by next Friday.
Question 39. Mrs. Van is teaching us about solar energy _____.
Question 40. It can be found in only some places on the earth. It comes from _____ inside the Earth.
Question 41. My friends and I _____ to the café twice a month.
Choose one mistake in each of the following sentences.
Question 42. What you usually do to save energy?
Question 43. Turn the lights off when are you leave the classroom.
Question 44. Well, we uses low-energy light bulbs at my house.
Question 45. Nowadays, people in Iceland isn’t using energy from coal.
Question 46. Mrs. Lien is teaching we about solar energy at the moment.
Question 47. Linh always turn off the lights when going out.
Question 48. I are using more solar energy to save energy.
Question 49. She isn’t swim in the swimming pool right now.
Question 50. Normally they start school in eight o’clock in the morning.