"___ been fun" (3)
I believe the answer is:
its
(Other definitions for its that I've seen before include "The thing's" , "Belonging to a particular thing" , "Neuter possessive pronoun" , "Another form of 'tis" , "Sit (anag.)" .)
I believe the answer is:
its
(Other definitions for its that I've seen before include "The thing's" , "Belonging to a particular thing" , "Neuter possessive pronoun" , "Another form of 'tis" , "Sit (anag.)" .)