Question

1.They have cut down all the trees.
2.They.............................a lot of factories.
3.They ............................ the air.
4.They................................ into the river.
5.The area's animals and birds ................​

Answer 1

Răspuns:

2. have built

3. have poluated

4. drained

5. dissapeard

Explicație:

sper  sa fie bune

Answer 2

Răspuns:

2) have built

3)have pollute

4)have dried up

5)is toxic