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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 ................​

1They Have Cut Down All The Trees2Theya Lot Of Factories3They The Air4They Into The River5The Areas Animals And Birds class=

Răspuns :

Meh4444

Răspuns:

2. have built

3. have poluated

4. drained

5. dissapeard

Explicație:

sper  sa fie bune

Anastasiabeloconii98

Răspuns:

2) have built

3)have pollute

4)have dried up

5)is toxic