Bonjour pouvez-vous m’aider pour cet exercice d’anglais merciii

Réponse :a) mary slept heavily when her cell phone rang
b) FELL they WERE left on their own
c) DIDN’T take place WAS HAVING we HEARD the crash
d)WEREN’T THERE bells...
B)no there WEREN’T
e) DIDN’T feel... KNEW...PAID
f)LAID...LAY