Complete the sentences with the verbs in Exercise 3: 1) It’s important to look after our environment. 2) Plastic bags ______ rivers and the sea and they kill animals. 3) African elephants are in danger. We have to ______ them. 4) Why do people ______ down trees? It’s terrible! 5) Don’t ______ away your old clothes! You can ______ 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.

Перевод: Пластиковые пакеты загрязняют реки и море; мы должны защищать африканских слонов; люди вырубают деревья; старую одежду можно перерабатывать.