Past Perfect vs Past Perfect Continuous

We were very hungry because we ________ on time.

I was delighted when I found my keys. I ______ for them for hours.

Maria was exhausted because she ________ since eight o'clock that morning.

Everything around was white because it _______ all night .

The passengers were angry because the airline _______ everyone's bags.

I ______ Ann for several years, but I recognised her immediately.

We had known for a long time ago that the company was going to close.

We had tasted the milk and had decided it was bad, so we threw it away.

Had they been starting the game on time?

We ______ when somebody _______ at the door.

Oleh _______ at the factory for a long time when he _______ a manager.

Stefan _____ for two years when he _____ the race.

Andrew said he ______ to China before.

Tina _____ home when I phoned her.

Mom was tired yesterday. She _____ the house all day.

When I arrived, Olena ______ in bed with temperature since lunchtime.

There were puddles in the streets as it ______ all night.

Daniil explained why he _____ an essay.

I _____ for an hour before it got dark.

Alex said he ______ tickets for the concert.

Bob said they _____ at the airport for two days because of the delay of their flight.

We were very tired at the end of the trip. We ______ for ten hours.

Xenia insisted that she _____ the ring from the drawer.

I ______ the golf club before Max did it.