Choose the correct form of the verbs: the past perfect or the past perfect continuous.

1. Tom was angry because he ... the last train home. 2. Katie ... in her new job for a month when she got a promotion. 3. By the time we got home, everyone ... dinner. 4. Sarah was angry because she ... for the bus for over an hour before it arrived. 5. Harry ... in the garden so he was covered in mud. 6. Alice ... her homework by bedtime. 7. They ... for over three hours before the guests arrived. 8. I ... to walk home when the bus came along.