19. I haven’t heard from her for many years.
= The last ……………………………………………………………………………………
20. The children haven’t been taken to the park since 2012.
= The last time …………………………………………………………………………………………

21. This is not the first time we have visited this city.

= This is not our ……………………………………………………………………………………………

22. This is the second time I have seen this movie.

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

23. This is the second time he has been to a tennis match.
= He has ………………………………………………………….………………………………..
24. She started doing the housework as soon as she got home.
= She has……………………………………………………………………………………………
25. He started his career as a teacher 20 years ago.
= He has …………………………………………………………………………………………..
26. Is this your first visit to our country?
= Haven’t you…………………………………………………………………………………………..?
27. The last time we contacted was 3 months ago.
= We haven’t ……………………………………………………………………………………………