37. The last time she phoned her parents was ages ago.
= It’s ages …..………………………………………………………………………………..
38. It is a long time since we last went to this restaurant.
= We haven’t ……………………………………………………………………………….
39. When did you move to this house?
= How long have…........................................................................................................?
40. She moved to this city 4 weeks ago.
= She has …………………………………………………………………………………….
41. I haven’t seen my brother for many years.
= The last ……………………………………………………………………………………
42. We haven’t been taken to the zoo for 5 months.
= The last time we…………………………………………………………………………………………

43. This is the third time I have been to Nha Trang.

= I have……………………………………………………………………………………………

44. Have you come here before?

= Isn’t this  ……………………………………………………………………………………………….?