I. Choose the best answer. 1. I think we have electric taxis very soon. A. will B. might C. may D. would 2. All the houses in our village will be by solar energy. A. frozen B. widened C. heated D. heightened 3. Nuclear energy is , but it is dangerous. A. renewable B. non-renewable C. natural resource D. fossil fuel 4. My brother and I often come to school foot. A. at B.in C. by D. on 5. Sky cycling tubes will be easy . A. drive B. to drive C. ride D. to ride 6. The white cat is Helen’s, and the black cat is . A. my B. I C. mine D. of mine 7. We try to make the future green by using vehicles or kinds of energy that are A. environmentally friendly B. environment friendly C. environmentally friendship D. environmental friendly 8. This is Linda’s hat, and those shoes are , too. A. her B. hers C. our D. their 9. Some new energy-saving bulbs in the dining room. A. will be put B. will put be C. will put D. will be putting 10. A sky safety system can help cars to _______ traffic jams and crashes. A. use B. have C. prevent D. take 11. People won’t use flying cars the year 2050. A. before B. after C. during D. until 12. Is the most serious problem? A. pollution B. polluted C. pollute D. pollutant 13. We believe that urban transport pods can travel around 30kph. A. with B. at G. in D. on 14. She cooking in the kitchen at 7 PM tomorrow. A. will B. is C. will be D. be 15. We will use more energy in the future. A. solar B. sunny C. sun D. sunlight 16. Alternative sources of energy developed in the near future. A. has been B. will be C. is D. was 17. Which of transport do you think will be used in the future? A. mean B. meaning C. meanings D. means 18. We are looking for types of vehicles that help us to avoid . A. traffic B. traffic jams C. rush hours D. walking 19. What should we do to electricity? A. take B. cut C. save D. waste 20. Low energy light bulbs should be used to electricity. A. convert B. save C. spend D. buy giúp mình với nha