Read the situations and complete the sentences:

Example: We played tennis yesterday. Half an hour after we began playing, it started to rain. We … (play) for half an hour when it started to rain.
We had been playing tennis for half an hour when it started to rain.

1. Kelly got a job in a factory. A year after the factory was closed down. At the time the factory was closed down, Kelly … (work) there for a year.
2. I began walking along the road. 15 minutes later I saw a car. I … (walk) for 15 minutes when I saw the car.
3. It was very noisy in the flat upstairs. Two hours later Kelly came in her flat downstairs. Kelly’s neighbours … (have a party) for two hours.
4. Mary was sitting on the ground. She was out of breath. She … (run).
5. When I arrived, Kate was waiting for me. She was annoyed because I was late and she … (wait) for a very long time.
6. Ann was browsing online. Three hours later her mum came in and got angry that Ann … (browse) for three hours already.
7. We were very tired. We … (travel) since morning.
8. I’ve sold my car I bought two years ago. I … (drive) it for two years.
9. The hedgehog got into the container twenty minutes ago. I thought it wasn’t alive. It … (sit) there for twenty minutes.
10. Since it got into the container, it … (sit) there for twenty minutes already.