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Haji.Tks

11. To keep the air unpolluted, people ought to use ____ energy to create electricity. (sun)
12. There have been many ____  in the field of electrical engineering.(innovate)
13. Televisions, dishwashers and freezers are electrical ____. (apply)
14. No doubt that there will be a great ______ of food for the world's population. (short) 
15. If there is something wrong with the lights, ask an _____ to look at it. (electric)  
16. An old friend of mine felt amazed at the prize for her efforts at ____ in her country. (conserve)
17. The campaign against air pollution was organized by a famous _____ activist. (environment)
18. She carries a gun in her bag for personal ____. (protect)
19. Energy ____ is a problem all over the world. (conserve)
20. As it hasn't rained for months, there has been a serious____ of fresh water. (short) 

Đào Thu Hiền
26 tháng 3 2022 lúc 11:11

11. solar

12. innovations

13. appliances

14. shortage

15. electrician

16. conservation

17. environmental

18. protection

19. conservation

20. shortage


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