<span>I. 1. landscape; 2. extremes; 3. plains; 4. mountains; 5. mild; 6.
balanced; 7. politeness; 8. optimism; 9. self-confidence; 10. vast; 11. time
zones; 12. risk-takers; 13. hospitality; 14. community; 15. severe; 16.
patient; 17. stability</span>
2 Let's not fly there by plane.
3 Let's not have a tea.
4 Let's play tennis.
5 Let's not swim.
6 Let's go there by bus.
7 Let's ride a bike
1) were/ would make
2)hadn’t eaten/ she wouldn’t have suffered
3)had brought/ wouldn’t have been
4)had warned , would have changed
5)freezes, we will go
6)hadn’t stayed/ wouldn’t have been
7)doesn’t apologize, we won’t be
8)can have, will be
9)come, will you give me
10) if you had finished , we wouldn’t have been