IV
16. While -> When
17. ring -> rang
18. a -> the
19. bỏ more
20. is -> was
V.
21. healthy
22. long
23. sickness
24. pleasant
25. appointment
IX.
41. as good as English like Sam.
42. us 5 hours to get to London.
43. listening to music.
15. A
V.
21. with
22. of
23. from
24. for
25. at



