Відповіді: Стр.146 (3)

3. Put the verbs in brackets into the correct form.

1. We would know more about nature if we studied ecology.

2. If people didn’t use plastic, oceans would be less polluted.

3. If I lived in the Carpathian Mountains, I would go hiking every day.

4. Animals would not become endangered if we protected them better.

5. There would be less acid rain if everybody saved more energy.

6. If there were not any natural disasters, our world would be safer.

7. Many species would survive if we did not pollute the environment.

8. If our garden were bigger, there would be more trees and flowers.