one

"My son's math test had only one correct answer for the last problem. "

"Zero is the additive identity, and one is the multiplicative identity in the set of whole numbers. "

"My little brother found a one in his pocket. "

"The batter hit the ball and got a one. "

"My uncle told a funny one about his first day of school. "

"I knew as soon I met him that John was the one for me and we were married within a month."

"2003 September 26, "DEAL WITH IT!!!!11one!!", in alt.games.video.nintendo.gamecube, Usenet"

"The teacher wanted to one the students' diverse opinions into a single class project. "

"One day the prince set forth to kill the dragon that had brought terror to his father’s kingdom for centuries."

"My aunt used to say, "One day is just like the other.""

"He is the one man who can help you."

"Body and soul are not separate; they are one."

"We are one on the importance of learning."

"The two types look very different, but are one species."

"He is one hell of a guy."

"The town records from 1843 showed the overnight incarceration of one “A. Lincoln”."

"In many cultures, a baby turns one year old a year after its birth."

"My little sister is only one year old. "

"My family has one dog. "

"My sister is the one who always volunteers first for class projects. "

"Any one of the boys.  The big one looks good.  I want the green one.  A good driver is one who drives carefully."

"She offered him an apple and an orange; he took one and left the other."

"One’s guilt may trouble one, but it is best not to let oneself be troubled by things which cannot be changed.  One shouldn’t be too quick to judge."

""driver", noun: one who drives."