𝐑𝐞𝐚𝐝 𝐚𝐧𝐝 𝐜𝐡𝐨𝐨𝐬𝐞 𝐭𝐡𝐞 𝐜𝐨𝐫𝐫𝐞𝐜𝐭 𝐨𝐩𝐭𝐢𝐨𝐧𝐬.

1. Zoos play an important ... in animal conservation.

2. Cars ... petrol.

3. Animals should live in their natural ... .

4. Acid rain ... trees and plants.

5. He made ... the whole story.