Complete the sentences

• had been living
• had been waiting
• had left
• had called
• had been studying
• had believed
• hadn't seen
• had been looking
• had been thinking
• had come

1. They [ ] in this house for 10 years before they moved to another country.
2. I [ ] for their reply for weeks when they finally called and asked me to come for an interview.
3. I was lucky I [ ] the room before the quarrel started.
4. I [ ] her 3 times before she picked up the phone.
5. Tim [ ] for months to pass that exam.
6. I [ ] she was guilty until I found out the truth.
7. I [ ] Jamie in our school before.
8. He was late because he [ ] for his keys for an hour.
9. She [ ] about the offer for too long so they gave the job to another candidate.
10. We [ ] to the airport to meet them 2 hours before their plane landed.