27. have seen
28. have you been known
29. doesn’t want to lie
30. don’t learn
31. has been working
32. was
33. didn’t sleep
34. Did you enjoy
35. saw
36. do you meet
37. met
38. hasn’t arrived
39. is being
40. reads
41. are being
42. got
43. had got
44. did the children go
45. wasn’t
46. usually flies, traveled
47. lost (sau have lost)
48. did you do
49. have been
50. just went
51. got
52. has opened
