1.If I was the mayor of this town

Загрязнение окружающей среды. 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. fortunately, there are many ways to suspend these problems.

1. I can’t speak about the book. I have not read it yet.
2. Every day I wind up my watch at 7 o’clock in the morning.
3. It’s Friday. Have you seen him this week?
4. Students usually buy books at the House of Books.
5. It’s a pity, but I have not bought this dictionary yet.
6. As a rule we do many exercises in class.
7. He has told this joke many times.
8. Something (has gone) wrong with my watch.
9. I have already ( translated) these sentences into French.
10. They ( have) their English many hours a week.
11. She (works) much and usually ( gets) many good marks.
12. We (have bought) a new TV set this year.