It's his third month here. -
It's his forty-fifth birthday. -
He took the twenty-third place. -
This is my first pet. -
Is this the sixtieth floor? -
"O" is the fifteenth letter of the alphabet. -
Yesterday was her seventy-third birthday. -
My brother bought the third car. -
He doesn't like my second wife. -
It's her second day here. -
Is Saturday the sixth day of the week? -
August is the eighth month of the year. -
I don't like her third husband. -
This is the twenty-fifth time I come here. -
Tomorrow is the twenty-ninth of February! -
He finished his eleventh book. -
This is her fourteenth letter. -
I give you the third chance. -
Is "T" the twentieth letter of the alphabet? -
I have the third lesson today. -