In order to (19) ____________ the amount of energy used, people have invented many energy-saving (20) ____________ appliances. They also use a labelin

By Nevaeh

In order to (19) ____________ the amount of energy used, people have invented many energy-saving (20) ____________ appliances. They also use a labeling scheme to show how (21) ____________ energy each appliance can save, so that (22) ____________ know what to choose. Besides, they have also been searching for other (23) ____________ of energy that can (24) ____________ electricity in an environmentally friendly way.
19. A. save B. reduce C. conserve D. collect
20. A. household B. family C. house D. home
21. A. many B. far C. much D. long
22. A. farmers B. consumers C. clients D. plumbers
23. A. sun B. levels C. solar D. sources
24. A. generate B. recycle C. reuse D. replace




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