Answer:
(1) romantically interested
(2) Anne admires her father's quiet decency
(3) "Several times I came across letters dealing with the subject of 'Mummy' in such a hotheaded way that I was quite shocked, and asked myself: 'Anne, is it really you who mentioned hate? Oh, Anne, how could you!"
(4) It is used as an adjective to describe the noun 'wall'
(5) It conveys the idea that Jimmy is frightened and panicked
