1 They went to the museum after they (had finished) their homework.
2 They got lost because they had (not/taken) a map with them.
3 She had (already/arranged) to go to Edinburgh so she didn't come with us to York.
4 Terry had been (working) in the cellar since morning and he felt very tired.
5 He had (not slept) for two days and felt exhausted.
6 Her eyes were red. Had she been crying?
7 She had (lived) in York for ten years before she decided to move to London.