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.

My sister is still at school, … back soon.
- she should
- should she be
- she should be