Подчеркните вс глагол в предложении.
1) Your hobby is collecting coins isn't it?
2) They are outdoors, aren't they?
3) I am busy now, aren't I?
4) The film wasn'y a success, was it?
5) The kittens were cute, weren't they?
6) There are no hamsters in the cage, are there?
7) We won't be ill, will we?
8) They will be famous, won't there?

Many wildlife habitats will be destroyed if man keeps polluting the environment.
2. If we dump all sorts of chemicals into rivers, we will not be able to swim in them in the future.
3. If we do not stop cutting down so many trees, we will endanger our oxygen supply.
4. Soon the Earth’s resources will be exhausted if the human population continues to grow.
5. If everybody continues to use aerosols and CFCs, the hole in the ozone layer will get bigger.
6. If the sun radiation can’t escape into space, Earth’s temperature will increase steadily.
7. If the global temperature rises, sea levels will rise too.
8. We’ll threaten our own existence if we do not cut down on waste rapidly.
9. People will run out of drinking water one day if they do not use it more rationally.
10. If he wants to help the planet, then he has to change his habits

There is plenty to do after-school hours. Everybody has a hobby, but sometimes they don't even realize it. You may like reading, painting, dancing or playing piano and etc. Some of them trains hard. They plays for our school in basketball or football they take part in youth participate. And you exactly know that it is the best thing to do in the world for you. But some people may think it is useless. Don’t give up, be yourself, be individual.
As most young people I spend my after-school hours doing my homework, reading books, communicating with my friends and during this time I learn a lot because we all people of equal interests and by sharing information we are informed about every thing.
I think it is common with most young people to spend some time outdoors, we visit cinemas, come to each other, girls like to do window shopping after school, we spend time with pleaser and some pupils prefer spend their free time to revise for the exams. I think it is very good too. It is interesting for them very much.