Bonjour,
Réponse :
Choisis entre le Prétérit simple et le Prétérit Be + -ing.
a. The phone-(ring) just as we - (leave).
→ The phone rang just as we were leaving.
b.I (sleep) when they.. (arrive).
→ I was sleeping when they arrived.
c. Santa Claus (come in) while they... (sleep)
→ Santa Claus came in while they were sleeping.
d. He (run) when he (lose) his keys.
→ He was running when he lost his keys.
e She (do) her homework when her mother(come) back home.
→ She was doing her homework when her mother came back home.
Explications :
prétérit be + V-ing pour les actions qui étaient en cours dans le passé, se déroulaient, le prétérit pour les actions "courtes" qui viennent interrompre les actions en cours