Let’s do ex . 56 p.54
If all people decided to save our world, ...
If people took cans, bottles, paper to local recycling centres,
If people bought only the things they really needed, ...
If people tried to walk or cycle instead of driving cars, ...
If people didn’t drop litter in the countryside, ...
If people avoided buying packaged goods, ...
If people didn’t waste paper, ...
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С вами с 2009 года.