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

1) i will ride my bike tomorrow 2) my grandma got two letters yesterday 3)they were in the country last summer

1. использование нового оборудования позволило свести к минимуму число рабочих. 2. компьютеры контролируют почти все, что мы делаем в современной жизни. 3. мы использовали словари, когда мы писали тест в прошлый понедельник. 4. я никогда не забуду эту романтическую .

some trees were planted by gardener last year.

theatre

theatre is a collaborative form of  fine art  that uses live performers to present the experience of a real or imagined event before a live audience in a specific place. the performers may communicate this experience to the audience through combinations of gesture, speech, song, music or dance. elements of design and  stagecraft  are used to enhance the physicality, presence and immediacy of the experience.