Question

2. используйте is или are. 1) animals … disturbed. 2) water … polluted. 3) birds … not fed. 4) nature … damaged. 5) trees … cut down. 6) air … spoilt. 3. составьте предложения в страдательном залоге. e. g. people kill animals. – animals are killed by people. 1) plants and factories pollute rivers and lakes. 2) children break trees. 3) people throw litter everywhere. 4) children damage plants. 5) cars pollute the air. 5. составьте предложения. 1) must, protect, we, nature. 2) think, i, can, children, animals, help. 3) is, it, important, the earth, to save. 4) be in charge, should, we, of the planet. 5) healthy, people, keep, must, our planet. сделайте

Answer 1

2)
1 are
2 is
3 are
4 is
5 are
6 is 
3)
1 Rivers and lakes are polluted by plants and factories.
2 Trees are broken by children
3 Litter is thrown by people everywhere
4 plants are damaged by children
5 The air is polluted by cats
5)
1 We must protect nature
2 I think children can help animals
3 It is important to save the Earth
4 We should be in charge of the planet
5 People must keep our planet healthy