1.a garbage is not only ugly, bute dangerous because it causes an air pollution.
2. cars are an important part of a life for most people. but cars also cause a pollution and release fume.
3. in canada people don't realise that they throw out 10,000 tons of a waste.
4. over 14 billion pounds of a waste per year is throw out to sea and it kills millions of sea animals.
5. if we want to breathe a healthy air we have to think about what we do.
6. because of our lack of a knowledge there is now a huge hole over an antractic.
7.a water is a vital element of a life.
Ответ дал: Гость
1we went to the skating-rink yesterday. 2 they grew even grapes in their orchard some years ago. 3 last week they hung a new mirror in the bathroom. 4 we had a delicious dinner at a restaurant last saturday. 5 she laid the table and invited her guests to have dinner. 6 they heard some strange sounds behind the door of the house. 7 tom hid behind the tree and watched the boys sitting by the fire. 8 the young archer hit the aim/target. 9 the students held a meeting on friday. 10 he fell down and hurt his leg. 11 their granny kept a cow and some rabbits on the farm. 12 she knew very well that boy who lived next door to them. 13 he knew a lot of poems by heart.
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