Transform the sentences using the Gerund constructions using the prepositions given in brackets: 1. When they entered the house, they heard the last bell ringing. (on) 2. Thank you that you invited me to the theatre. (for) 3. The woman insisted that her husband should consult the doctor at once. (on) 4. She could not even think that the operation might be postponed. (of) 5. There was little hope that James would return on the same day. (of) 6. The thought that he had been turned away by the doorkeeper made him feel miserable. (of) 7. The pleasant-faced middle-aged woman insisted that Olga should come to her town to teach. (on) 8. Helen suggested that they should go on a trip. 9. There is a possibility that my father will join us for the trip. (of) 10. The girls knew that the sportsman had been awarded a prize. (of) 11. I don’t mind if you walk to the underground station with me.
Environmental problems have become one of the most urgent problems of modern society. More and more people suffer from air and water pollution. Nature also suffers from land and nuclear pollution. The reasons for such environmental problems are numerous.
Among them increasing number of cars in the streets, factory waste, millions of cut down trees, destroyed habitats of animals, contaminated rivers and seas. All these problems mainly arise due to human careless activities and gradually destroy our planet. If we look closely, we’ll notice that not only one city is under danger, but the majority of world population
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