Write the correct form of the verb:
1. He was interviewing the eye-witness at 11 o’clock that morning.
2. The girl was choosing a bar of chocolate when she noticed a shoplifter.
3. We all went home late last night.
4. The policemen caught a group of terrorists when they were examining the whole area.
5. He’s happy. He passed his last exam yesterday.
6. The cadet was talking on his mobile phone when the sergeant saw him.
7. When did you collect evidence?