Вставьте предлоги with, about, by, from, of, on, at, of, about, from, — 1 ecology deals … the relationships of man and nature. 2 the whole world is threatened … an ecological catastrophe. 3 all countries ought to join the efforts to save the earth … an ecological disaster. 4 sustainable development is the one that doesn’t deprive future generations … the same type of opportunities we have now. 5 more than two hundred million people depend … the tropical forests for shelter and food. 6 trees are being cut down … an alarmingly high rate. 7 people are becoming more and more aware … ecological problems. 8 pollution of water and air is one of the main problems people are concerned … today. 9 how can we protect our soil… further waste? 10 if we don’t think hard of ecology we must be ready to face … the consequences.

leonn1 leonn1    3   19.04.2019 12:46    114

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