1) If people recycled more, the Earth ... be cleaner. a) would b) will 2) If I ... the president, I would plant more trees. a) was b) were 3) If factories ... clean energy, the air would be better. a) use b) used 4) If everyone turned off the lights, we ... energy. a) will save b) would save 5) If students picked up trash, the school ... clean. a) would be b) will be 6) If people used bikes, there ... less pollution. a) would be b) be 7) If my town ... more bins, people would recycle more. a) have b) had 8) If the government ... more, the environment would improve. a) helped b) helpt 9) If I ... a lot of money, I would help animals. a) have b) had 10) If everyone ... together, the world would be better. a) work b) worked

Second conditional - Sustainable development

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