They ________ (not / eat) so they went to a restaurant.
they hadn't eaten
We _____ (sleep) for 12 hours when he woke us up.
we had been sleeping
Her son apologized to mum because he took/had taken her money.
had taken
When we arrived the film ________ (start).
had started
We were late for the plane because we _________ (forgot) our passports.
we had forgotten
They ____ (wait) at the station for 90 minutes when the train finally arrived.
they had been waiting
My cousin promised/had promised me to bring me a present from France last month
promised
She _________(work) in that company for twenty years when she left.
had been working
When I arrived at the cinema, the film __________ (already/start).
the film had already started
I ______(not / walk) for a long time, when it suddenly began to rain.
I hadn't been walking
Alfred had worked/worked in a bank for five years before he moved to Rome.
had worked
I _________ (run), so I was hot and tired.
had been running
I _______ (not / have) breakfast when he arrived.
I hadn't had
How long______(learn / she) English before she went to London?
had she been learning...?
When Ann opened/had opened the door, she realized that somebody broke/had broken into.
opened / had broken
I _________(study) all day, so I was tired.
had been studying
She told me that she __________ (study) a lot before the exam.
she had studied
How long _____ you (jog) before you came home?
had you been jogging?
Philip tidied/had tidied his bedroom before he left/had left for work.
tidied / had left
I ______ (make) a project for five hours before I went to bed.
had been making