Bonjour est-ce que s’il vous plaît est-ce que quelqu’un pourrait m’aider à faire cette exercice? Merci

a- yesterday, fifty candidates were auditioned for one role
b-every day, kitty was given healthy cat food by the children
c-last week, the student were asked to read more books by their teacher
d- last night, the band was applaud for a long time by the audience