Question

i do not remember our baby-sitter very vividly now, but one memory i have is how we ... with interest to all the stories she ... us. a)were listening/has told. b) would listen/would tell. c)used to listen/will be telling. d)ought to listen/had told

Answer 1

b) would listen/would tell.
Would обозначает привычку в прошлом, действовавшую какое-то время, но уже неактуальную. Это синоним выражения used to