1) I (just / finish) my homework.
2) Mary (already / write) five letters.
3) Tom (move) to his home town in 1994.
4) My friend (be) in Canada two years ago.
5) I (not / be) to Canada so far.
6) But I (already / travel) to London a couple of times.
7) Last week, Mary and Paul (go) to the cinema.
8) I can't take any pictures because I (not /buy) a new film yet.