Fuimos is the answer.
There you go.
*Los mandatos informales
-"Escribe (tu) la tarea"
-"Compra (tu) los libros"
*Los mandatos formales
-"Haga (Usted) la tarea"
-"Compren (Ustedes) los libros"
Se chocan
We use “se” because you are referring to a group of passengers. Se is used for “they” when the group is plural or singular third person.
We use “chocan” because they are bumping into other passengers which is plural. Chocan is for plural.
Answer:
There's no picture at all
1. Fui
2. Pidió
3. Pedí
4. Pedimos
5. Dijo
6. Repetía
7. Decía
8. Sirvió
9. Pedí
10. Trajo
11. Invito
12. Pedí
13. Pidió