31. wake up 32. be asleep be awake
29. take a holiday 30. three quarters of the population
27. rather than 28. improve my listening skills
25. leave school 26. think about doing sth.
23. start doing sth. 24. take lessons
21. a flight attendant 22. a tour guide
20.the way to do sth= the way of doing sth.
18. an English-speaking country 19. welcome to…
16. end up 17. travel to…
14. on board 15. take different routes