1. What had happened to the footprints?
2. How did Dr Mortimer know Sir Charles had waited by the wooden gate?
3. Dr Mortimer is meeting Sir Henry Baskerville.
(a) Who is he?
(b) Where is he meeting him?
(c) Where has he been living?
4. Where did Sherlock Holmes tell Dr Mortimer to stay that night?
5. What did Sherlock Holmes tell Dr Mortimer to do the next day?
6. "There are three questions," said Holmes. What are the three questions?