Answer:

ITS

Answer	Crossword Clue
ITS	".. Not Unusual"
ITS	".. about time!"
ITS	"... your life."

ITS	".... a grand night for ..."
ITS	Adjective often given unneeded apostrophe
ITS	Tag pursuers
ITS	W. C. Fields film "... a Gift"
ITS	".... only me!"
ITS	"..... a girl!"
ITS	Part of FWIW
ITS	"... A Wonderful Life"

ITS	"... a Wonderful Life"
ITS	".... a girl!"
ITS	... about time!
ITS	... no big deal
ITS	"... Raining Men"
ITS	Word with an often omitted or extraneous apostrophe
ITS	"... Me or the Dog"
ITS	".. a Miracle" (Manilow tune)

ITS	Neutral pronoun
ITS	Part of TGIF
ITS	".. a great day ..."
ITS	Possessive
ITS	Pronoun
ITS	".. Not for Me to Say"
ITS	Monty Python opener
ITS	"Monty Python" opener

ITS	Tagged game-players
ITS	".. alive!"
ITS	Part of T.G.I.F.
ITS	For what .. worth
ITS	"... Academic" (high-school quiz show)
ITS	"... always something!"
ITS	Word often given an unnecessary apostrophe
ITS	Word often given an incorrect apostrophe

ITS	"The Ego and ... Own" (Max Stirner work)
ITS	"... on me"
ITS	Opening word of the "Howdy Doody Show" theme song
ITS	Sigmund Freud's "Civilization and ... Discontents"
ITS	"... Over" (Roy Orbison song)