Narrative tenses

They cancelled my flight because it .........(snow) so I ...........(sleep) in the airport lounge.

I didn't want to interrupt my colleague while he ............(talk) on the phone so I .............(send) him an email instead.

I felt very embarrassed when I realized that I ..........(forget) my host's name, so I .............(apologize) quickly.

During the time I .............(stay) in Denmark, I didn't know whether to arrive on time for dinner so I .............(decide) to arrive five minutes late.

My host offered me a small gift just as I ............(leave) for the airport and I ..........(give) her a souvenir from my own country.

I didn't know if the party was formal or informal because I ...............(lose) my invitation, so I ............(wear) a smart outfit.

Last year, our company __________ (experience) a significant challenge during the product launch.

While we __________ (prepare) the final marketing materials, we __________ (discover) a major issue with the software.

Apparently, the development team __________ (overlook) a critical bug that caused the system to crash under heavy usage.

By the time the issue __________ (reach) the project manager, several clients __________ (already/report) the problem.