Réponse:
1. I have traveled USA and Australia.
2. I have eaten spiders in Australia
3.I have seen Justin Bieber
4. I have lived in Paris
5. I have studied Italien
6. I have done thing to died
7. I have spend 3 euros today
8.No I haven't seen a ghost
Explications:
pour le present perfect have/ his + participe passé avec ED