Answer: are

AnswerCrossword Clue
AREIs plural
AREA backward ERA?
AREBreathe
AREExist
ARE"Is" doubled?
ARE"Stay As You ..." (1978)
ARE"You ... here"
ARE"... you for real?"
ARE"... you ready?"
AREA verb for you
AREExist (en masse)
ARE".... you positive?"
ARE... you kidding me?
ARE"... you kidding me?"
AREBeatitude's second word
AREExist en masse
AREYou ... here
AREBeatitudes verb
ARE"My lips ... sealed"
ARE"... you nuts?"
areto occur
AREIs doubled?
ARE"Chances ..."
ARE"Roses ... red..."
ARE"We .. the World"
ARE"Where The Boys ..."
ARE"You .." (Richie tune)
ARE".. we having fun yet?"
ARE".. you serious?"
ARE".... we having fun yet?"
ARE".... you nuts?"
ARE"Butterflies .. Free"
AREIs plural?
ARELast word of Shelley's "Adonais"
ARESubsist
ARE"All the Things You ..."
ARE"Chances .."
ARE"Violets .. blue..."
ARE"You ... There"
ARE".. you nuts?"