I heard a knock at the front door so I ______________(go) to answer it.
went
They ______________ (leave) many hours before we arrived.
had left
At this time yesterday, I _____________________ (write) an essay.
was writing
She ______________________(graduate) from school in 2001.
graduated
We entered the house quietly because everyone ____________________(sleep).
was sleeping
First, we (boil)___________ the water, and then we (pour) ___________ it into a cup.
boiled, poured
I was happy to see her, because we .................................... (not see) each other for years.
hadn't seen
The children ____________________ (play) in the garden while their parents were watching them.
were playing
Neil Armstrong and Buzz Aldrin (land)___________ on the moon in July, 1969.
landed
_______________ the fire _______________ (start) by the time you arrived?
had started
I was really (surprise) ___________ when my friend (cook) ___________ dinner.
surprised, cooked
She wore the shoes she ..................................... (buy) the previous day.
had bought
I fell as I .................................... (run) for the bus.
was running
When we got to the house yesterday morning, the baby __________ (drink) a bottle.
was drinking
I _______________ (not sleep) when you got home late last night.
wasn't sleeping
He usually walks to work, but he (not / walk) ________________ to work yesterday.
didn't walk
I didn’t know that my neighbours _________________ (not move) yet.
hadn't moved
He ____________ (wait) at home all day when she sent him the message.
was waiting
What .................................... she .................................... (say) when he asked her to marry him?
did, say
After we ...................................... (argue) for an hour, I realised that I was wrong.
had argued
A: ___________ they ___________ (laugh) at your joke? B: No, they ___________.
Did, laugh, didn't
By the time we got to the shop, a long line .................................... already .................................... (form) outside.
had formed
What ________ you _______ (do) when the alarm went off last night?
were, doing
What _______ she ________ (do) this time yesterday?
was, doing
She ________ already _________ (finish) her work when the telephone rang.
had finished