Verb conjugation of "sigillare" in Italian

What is the next big crisis in the world. No one knows, but experts believe that it will be weather and water related. There is a growing number of arid areas around the globe and many people are living in those areas.
I was in Vancouver five years ago. I was living in Toronto in Canada with my wife. We worked together in the same office, and we were new there, and we did not know anybody. I was also in Montreal.
Why did you sit on the box? You obviously did not know that there were presents inside. Now, seriously, do you have a backup plan? We must buy new gifts if we want to go to the party.?