Question

Present perfect или Pas simple
1) I (know) ... her for sex years.
2) He (live)... in Paris from 20 years ago.
3) Where's Pete? I (not see) ..him for ages.
4) We (be) ...at primary school from 1993 to 1977.
6) His father... (come back) to London last Sunday.
7) They... (just/buy) some postcards.

Answer 1

1) I've known her for sex years. 
2) He lived in Paris 20 years ago. (предположила, что в оригинале опечатка)
3) Where's Pete? I haven't seen him for ages.
4) We were at primary school from 1993 to 1977.
6) His father came back to London last Sunday. 
7) They've just bought some postcards.