Réponse :
Bonsoir,
b) because / I was furious / I had / been / to a zoo / before / .
I was furious because I had never been to a zoo before.
( J'étais furieux/se parce que Je n'étais jamais allé(e) dans un zoo auparavant. )
c) so embarrassed / my parents / had / never
My parents had never been so embarrassed.
( Mes parents n'avaient jamais été aussi embarrassés. )