Задание 
Match the words with the definitions.
Write the number of the definition near the word.
Tunnel [ ]
Alternative [ ]
To pollute [ ]
Renewable [ ]
Can be produced as quickly as it is used.
To make an area or substance, usually air, water, or soil, dirty or harmful to people, animals, and plants.
A long passage under or through the ground, especially one made by people.
Something that is different from what is usual; a choice.