She hadn’t slept enough so she _______________ (not play) well.
didn't play
Scientists _______________ (not invent) a mini-computer before last year.
(hadn't invented)
She _______________ (develop) a simple robot as part of her science project.
developed
Jamie _______________ (not be) at home. He had gone to the park.
wasn't
I had found _______________ (find) the cat in my bedroom before my mum came home.
had found
He wasn’t at home because he _______________ (go) to the airport.
had gone
Harry couldn’t come because he _______________ (do) his homework.
hadn't done
They _______________ (not eat) lunch before they met us at the cinema.
hadn't eaten
We _______________ (paint) a wall at school last year as an art project.
painted
We _______________ (left) our backpacks at home before we went to the beach.
had left
We invited him to the cinema, but he _______________ (see) the film before.
had seen
I didn’t buy the book because I _______________ (lose) my money
had lost
They _______________ (win) an award because they had invented a new device to clean sea water.
won
It _______________ (start) to snow an hour before we went to the concert.
had started