1. — Did you see the rainbow yesterday? — No, I didn’t. I have never seen a rainbow. 2. Nike has been living on the seashore for his whole life. 3. His books always influence children greatly. 4. At the end of the 20th century people spoke a lot about climate changes. Weather became changeable. 5. The rainstorm destroyed the crops. 6. What do you know about “the greenhouse effect”? 7. I like the sun and sunny weather very much. I’ve always liked them, but I can’t stand hot weather. 8. What was burnt in the garden about 8 o’clock yesterday? 9. — Have you broken the mother’s favourite cup? — Yes, I have. It was so fragile. 10. People and animals breathe oxygen in and breathe carbon gas out. 11. In what way do people make carbon gas? 12. The climate on our planet has greatly changed lately. 13. It’s foggy today. What weather will we have tomorrow? 14. He has been sleeping outside since he was 10 and he has never caught a cold. 15. In these days to eat out is expensive. 16. — For how long have you known Williams? — I have known him for 3 years.