Choose the correct item. Fill the gaps with the correct unions: unless or if. 2 A new shelter will be built they raise over £10,000.
3. we work together, we won't succeed.
4. they build a road through the forest, they will destroy the homes of hundreds of animals and birds.
5. I'll do a skydive for charity this helps children in need.

Have you seen a rainbow yesterday evening. -no. i've never seen 2 rainbows. nick lives on the coast all my life. 3. it books always make a great impact on children. 4. in the late 20th century, people talked a lot about climate change. the weather became changeable point 5. the rainstorm destroyed the field. what do you know about the "greenhouse effect"? 7. i love sun and sunny weather. always loved them, but i can't stand the heat. 8. what burned out in the garden yesterday evening about eight question 9.- you broke mom's favorite cup. yeah she was so fragile. 10. people and animals inhale oxygen and exhale carbon dioxide. 11. the way people produce carbon dioxide? 12. recently the climate has changed greatly on this planet. 13. foggy day today. what kind of weather we expect tomorrow? 14. he sleeps outdoors with ten years and never get cold. 15. in our days it is expensive to eat out. 16. - how long have you known williams? - i know him for 3 years