86. Mary is ambitious. She is keen to get ahead in her career.

54. Without friends, he felt ______ in the city he had just arrived in.

53. By seven o’clock yesterday, we _______at the airport.

52. The teacher wants to talk to the students ____ homework hasn’t been handed in.

51. I still remember the day ____ I first came to the school.

50. We admired the way ____ he solved the problem.

49. I have collected lots of stamps, ____ were given by my friends.

48. When does the flight arrive in London? ________

47. Can you make it Monday next week? ________

46. I just called to confirm our appointment at 10 a.m. tomorrow. ________

45. I＇m afraid we have to change the appointment. I have something important to do. ________.