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Exercise 3. Fill in the gaps with the right form of the verb. Use Conditional I.
1. If we _________ (can) solve ecological problems, we _________ (safe) the world.
2. People_________ (be) healthier, if we _________ (stop) the air pollution.
3. If different countries _________ (test) nuclear weapons, it _________ (cause) radioactive pollution.
4. If factories_________ (pour) waste into the rivers, the water there _________ (be) poisoned.
5. We _________ (survive) if we _________ (protect) the nature all together.
6. When you _________ (go) to the south, _________ (try) not to stay under the straight sunbeams too long.
7. When we _________ (take part) in the TV show, we_________ (discuss) ecological problems.
8. When ecology _________ (become) better, animals _________ (return) to their habitats. 9. You _________ (learn) about rare and extinct species of animals when you_________ (read) this book.
10. Little Peter _________ (be able) to see different species of mammals, birds, reptiles and insects, when he _________ (go) to the zoo with his Mum.
2. People would be healthier, if we stopped the air pollution.
3. If different countries tested nuclear weapons, it would cause radioactive pollution.
4. If factories pour waste into the rivers, the water there will be poisoned.
5. We would survive if we protect the nature all together.
6. When you go to the south, try not to stay under the straight sunbeams too long.
7. When we take part in the TV show, we will discuss ecological problems.
8. When ecology becomes better, animals will return to their habitats.
9. You will learn about rare and extinct species of animals when you read this book.
10. Little Peter will be able to see different species of mammals, birds, reptiles and insects, when he goes to the zoo with his Mum.
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