Відповіді: Стр.156 (2)

2. Choose the correct form of the verbs.

1. If we don't do something soon, we will lose many wild animals.

2. If conservation work is successful, there will be more animals in the wild.

3. Some rare birds will disappear if there aren't safe places for them to nest.

4. Future generations won't see any wild animals if we don't look after them.