"Once, a long time ___ . . ." (3)
I believe the answer is:
ago
(Other definitions for ago that I've seen before include "Time past" , "(Years) before the present time" , "Back (in time)" , "Previously" , "In past times" .)
I believe the answer is:
ago
(Other definitions for ago that I've seen before include "Time past" , "(Years) before the present time" , "Back (in time)" , "Previously" , "In past times" .)