Answer: its

AnswerCrossword Clue
ITS"... Academic" (high-school quiz show)
ITS".. a great day ..."
ITSPossessive
ITSPronoun
ITS".. Not for Me to Say"
ITSMonty Python opener
ITS"Monty Python" opener
ITSTagged game-players
ITS".. alive!"
ITSPart of T.G.I.F.
ITSFor what .. worth
ITSPart of TGIF
ITS"... always something!"
ITSWord often given an unnecessary apostrophe
ITSWord often given an incorrect apostrophe
ITS"The Ego and ... Own" (Max Stirner work)
ITS"... on me"
ITSOpening word of the "Howdy Doody Show" theme song
ITSSigmund Freud's "Civilization and ... Discontents"
ITS"... Over" (Roy Orbison song)
itsthe possessive form of it
ITS"... A Wonderful Life"
ITS".. about time!"
ITS"... your life."
ITS".... a grand night for ..."
ITSAdjective often given unneeded apostrophe
ITSTag pursuers
ITSW. C. Fields film "... a Gift"
ITS".... only me!"
ITS"..... a girl!"
ITSPart of FWIW
ITS".. Not Unusual"
ITS"... a Wonderful Life"
ITS".... a girl!"
ITS... about time!
ITS... no big deal
ITS"... Raining Men"
ITSWord with an often omitted or extraneous apostrophe
ITS"... Me or the Dog"
ITS".. a Miracle" (Manilow tune)