Past Perfect Continuous vs Past Perfect

Tina ___ home when I phoned her.

I was extremely unhappy to have lost my watch. I ___ it for a very long time.

I ___ for an hour before it got dark.

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

Sean explained why he ___ an essay.

They ___ the same restaurant for years before they found a better one.

Jack said he ___ tickets for the concert.

When we came back home, the children ___ for two hours.

Mike said they ___ at the airport for two days because of the delay of their flight.

The boys were out of breath. They ___ a marathon.

Andrew said he___ to China before.

Sam ___ to go to the wedding but he couldn’t take a day off work.