1.Yesterday in 5 hours I read the newspaper. 2 on Sunday from 2 to 4 we worked in the garden 3 we studied English all day 4 when I called him, he was preparing for the lessons 5 we went to the library, when she met us 6 what were you doing last Saturday night from 5 hours to 7 hours? 7 when I wrote the letter, he did the exercise in English 8 we were watching TV, and they listened for 9 during lunch he read the newspaper 10 it was already dark when they came out of the woods 11 where you worked today at 9 o'clock in the morning? 12 I was waiting for you from 3 to 4 and then left
The atmosphere and oceans are not the only parts of the environment that human activity (is damaging) day after day. Rainforests (are disappearing) as well, and their survival (is) questionable today. At the end of the 20th century E.O.Wilson, a biologist at Harvard, (called) the reducing of rainforest areas “the greatest extinction since the end of the age of dinosaurs”. Unlike some environment issues, the reduction of rainforests (has already received) significant public and media attention. Despite the movements against chopping down rain forests, the problem (still continues). Every year Brazil (chops) down an area of forest equal to the size of the state Nebraska. Rainforests that (were) great some years ago, (are lost) now. In addition to the Amazon’s rainforests, many other forests (are cut) down every year as well. According to some estimates, 50 million acreas of forests (are cut) down every year. The World Wildlife Fund (says) that every minute 25 to 50 acreas (are cut) or (burnt) to the ground. Will any trees (be left) on our planet at the end of this century?
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