Вкаком случае пишется to или in ! 1)they have never been africa 2) they were afeica last year 3) have you ever north america? 4) i have never been london 5) his uncle was london two years ago

1)They have never been to  Africa 
2) They were in  Africa last year
3) Have you ever been to  North America?
4) I have never been to  London
5) His uncle was in London two years ago 

1) They have never been to Africa

2) They were in Afeica last year

3) Have you ever been to North America?

4) I have never been to London

5) His uncle was in London two years ago