Zadanie 1
2. haven't forgotten
3. Have you seen
4. has broken
5. has gone
6. have bought
7. haven't got
8. have you finished
Zadanie 2
2. Halloween
3. clown
4. barbecue
5. Easter
6. fireworks
Zadanie 3
2. traditional
3. free
4. annual
5. colourful
6. funny
Zadanie 4
1. I have broken my arm.
2. Our house has been destroyed.
3. I've already finished my homework.
4. I've won a tournament.
5. I've hit my toe.
6. She hasn't sung any songs before.
7. I haven't learned to swim yet.
8. I have been working since 6 a.m.
9. I've trained today.
10. i've become a doctor.