self-addressed envelope

[-əˈdrest-]
noun ,

self-addressed stamped envelope

(US) [-əˌdrestˈstæmpt-]
noun

busta affrancata e indirizzata per la risposta

Complétez la séquence avec la proposition qui convient.

There … a policeman and a lot of firemen where the accident took place.
- was
- were