Wstaw operator was lub were w wolne miejsca w zdaniach.

My dog --- was were barking all night.

His parents --- was were driving for six hours before the accident.

We --- was were studying all night.

Peter --- was were doing homework when Jim phoned.

You --- was were singing a song.

John --- was were listening to the radio.

Her parents --- was were walking in the park.

The players --- was were losing the match.