Odpowiedź:
1 Did you -c- go to London last year?
2 Have you ever -a- been to London?
3 What did -b- you do in London?
4 What have -d- done this year?
B
1 I've already seen -c- this film so I don't want to see it again.
2 I haven't seen -d- this film yet.
3 I've never seen - b- this film in my life.
4 I saw - a- this film yesterday.