Viết lại câu thì hiện tại hoàn thành và quá khứ đơn:                                                                                             
45 It's ten years since that house was lived in.
That house ________________________________________________________
46. I haven't seen him for 2 months.
I last _____________________________________________________________
47. I haven't been to a concert for over a year.
The last time ____________________________________________________
48. The last time I really enjoyed myself was your birthday party.
I haven’t ________________________________________________________
49. It's nearly 20 years since my father saw his brother.
My father hasn’t __________________________________________________
50. When did you learn to drive?
How long is it ____________________________________________________
51. The last time I went swimming was when we were in Spain.
I haven’t ________________________________________________________
52. You haven't tidied this room for weeks.
It’s weeks _______________________________________________________
53. We started looking for a flat 2 months ago and we are still looking.
We have ________________________________________________________
54. This is the first time I've been to a night club
I haven’t ________________________________________________________