While he _______________ last night, someone _______________ his car.

He _______________ for us when we _______________ off the plane.

What were you doing when the earthquake _______________?

I was studying when you _______________ yesterday.

We were having breakfast _______________the school bus came.

They were sleeping _______________ I opened the door.

_______________ she was making a cake, her husband was washing the dishes.

What _______________ at 9 o'clock last night?

It _______________ all day.

We _______________video games yesterday at 3 o'clock.