21) The last time I cooked was 3 years ago.
_I haven't cooked for 3years

23) I last saw him 2 days ago.
_The last time I saw him was 2 days ago
24) I started writing blog 2 months ago
_I have written blog for 2months.
25) She began living in Danang when she was a child.
_She has.lived in Da Nang since she was a child.
26) It is 5 years since I last visit my grandparents.
_The last time I visited my grandparents was 5years ago

28) The last time I went to bar was 6 years ago.
I haven't gone to bar for 6years
29) It's years since she wrote to me.
_She hasn't written to me for years
30) I last took a bath 2 days ago.
It is 2days since I last took a bath

32) This is the first time I have seen such a beautiful girl.
I have never see such a beautiful girl before
33) I haven't gone to school for 4 months because of covid-19.
The last time I went to school was 4 month ago because of COVID 19
34) I have never visited Halong Bay before.
This is the first time I have visited Ha Long Bay
35) I haven't cheated in exam for years.
I last cheated in exam years ago