HELP ME PLASE. 4. Complete the sentences with the verbs in Exercise 3. 1 It's important to _look after_ our environment. 2 Plastic bags ²_______ and they kill animals. rivers and the sea 3 African elephants are in danger. We have to ³________ them. 4 Why do people ⁴_______ It's terrible! down trees? 5 Don't ⁵_________ You can 6________ away your old clothes! them.

1.It's important to look after our environment.2.Plastic bags pollute rivers and the sea and they kill animals.3.African elephants are in danger. We have to protect them.4.Why do people cut down trees? It's terrible!5.Don't throw away your old clothes! You can recycle them.