A) I have been reading this book since last year. Я читаю эту книгу с года.( И можно также: I have been reading this book for a year. -Я читаю эту книгу год.) b) Omar has been playing basketball since he was 10 years old . Омар играет в баскетбол с 10 лет. ( т. е. с тех пор, как ему исполнилось 10 лет.) с) Jennifer has been working since 9 o'clock. Дженнифер работает с 9 часов. d) My friend's sister has been looking for another job for a month . Сестра моего друга ищет другую работу весь месяц. e) A group of tourists arrived at the hotel "Kazakhstan" an hour ago and they have still been waiting for the second group to come. Группа туристов прибыла в гостиницу Казахстан час назад и они всё ещё ждут прибытия второй группы.
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
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