Odpowiedź:
1 have been, since
2 haven't travelled, for
3 haven't had, since
4 has been, for
5 have known, since
6 haven't seen, since
1 I haven't done a skydive yet
2 my sister has already taken lots of photos
3 nie mogę się rozczytać
4 Tom hasn't arrived home yet
5 I have already arrived at the airport
1 nie mogę się rozczytać
2 ever painted
3 ever danced for 12 hours
4 nie mogę się rozczytać