65.since Marry last rang.

66.hasn't visited his parents for ages.

67.over six months since John hadn't have his hair cut.

68.beautiful building I have ever seen.

69.romantic story I have ever read.

70.coldest winter they had ever had.

71.dangerous people you will ever met.

72.efficient servants man has ever had.

73.I played football was in 2000.

74.I went to HCM was 2 years ago.

75.I have ever met such a famous person.

76.time she has ever seen that boy here.

77.she wrote to us was last year.

78.8 years since she started to learn E.

79.age since he didn't laugh so much.

80.years since I didn't enjoy myself so much.

81.since the telephone rang.

82.ages since I didn't see him.

83.learnt English four years.

84.have smoked since last year.

85.wrote to Mai a month ago.

86.did you learn Spanish?

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13.did you start riding a bike?

14.did he start writting to you?

15.did he last talk to you?

16.did you last telephone to him?

17.first time we have ever eaten this kind of food.

18.seen this film before.

19.gone abroad before.

20.driven for a month.