Câu 1: They suggest that we.......... throw trash in public places.
Câu 2: John didn't come to the meeting yesterday, ..............we went without him.
Câu 3: Using public transports is an effective way to......... traffic jam and pollution.
Câu 4: A clean, safe form of energy which comes from the sun is..........
Câu 5: A: I suggest fixing the dripping faucets. - B: ............
Câu 6: Televisions, dishwashers and refrigerators are electrical.............
Câu 7: The energy-saving bulbs use a quarter of the electricity of standard bulbs and...............eight times longer,
Câu 8:
Câu 9:
Câu 10:
Câu 11:
Câu 12: Solar.......... are placed on the roof of a house to get energy.
Câu 13: We're very .......... about spending a lot of money on energy in our homes.
Câu 14: He is interested in..........natural resources but he doesn't know how to do.
Câu 15: Don't waste water or you'll get an enormous ........ by the end of the month.
Câu 16: Solar energy doesn't...........pollution or waste natural resources.
Câu 17: Lighting........... for 20 per cent of our electricity bill.
Câu 18: It's a waste 1 of energetic 2 if 3 we leave the lights on 4 all the time
Câu 19: I don't think I could 1 ever get used 2 to go 3 to work so 4 early
Câu 20: If 1 you want to save 2 money you shouldn't 3 reduce the amount of 4 water your family use
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