Answer:
Step-by-step explanation:
The exercise is aiming for you to practice completing the blanks with past forms of different verbs.
Here is the translation of the hole story the guy is telling.
It was eight in the morning and I was warming my coffee when I remembered it was Alejandro's birthday, my best friend. I got dressed at full speed and I went out running to the warehouse. I had to find a good gift for Alejandro. When it was my birthday, he gave me a wonderful gift. I couldn't be less generous, at the end he is my best friend. When I arrived to the warehouse, everything was closed: It was Sunday.
Answers to the blanks are the following written in order as requested:
1. Eran
2. calentaba
3. me acordé
4. era
5. Me vestí
6. salí
7. Tenía
8. fue
9. dio
10. podía
11. llegué
12. estaba
13. era