Past Continuous i Past Simple - odpowiedzi

I saw him in the club last night.
We were talking about our studies when someone knocked at the door.
She was in France for two years.
She was resting when I came home from the shop.
We were having a good time when the lights went out.
He used to study English when he was at the university.
I heard my sister when she was getting up this morning.
The sun was shining brightly when it began to rain.
They were talking when I saw them last.
I was in London when the riots began.