(i) Where was the poet driving to?
(ii) Why was her mother's face looking like that of a corpse?
(iii) What did the poet notice about her mother?
(i) The poet was driving to the airport.
(ii) Her mother's face was looking like that of a corpse because it was pallid and its natural radiance had desiccated with age.
(iii) The poet noticed her mother's pale and 'ashen' face, lost of all vitality and colour, owing to her old age.