Past Simple/ Past Continuous/ Past Perfect

1) I was very late. When I arrived, the conference

I _____ to the road and we crashed.

When they arrived at the police station, he said that he _____ anything wrong.

When he heard the police knocking on the door, he ____ under the bed.

When he retired he _____ in the company for more than 50 years.

The police arrested him because he _____ a gun.

He pulled out a gun and everybody _____ away

When I was a child, we _____ anywhere at weekends; it was boring.

I looked at him and I knew he _____ in a fight, because he had a black eye.

When they arrived at the police station, he said that he _____ anything wrong.