This is the thirty-first floor. -
This king lived in the twelfth century. -
He finished his eleventh book. -
Mary is his first love. -
November is the eleventh month of the year. -
May is the fifth month of the year. -
She took the thirty-sixth place. -
It's his third month here. -
It's our fifth year here. -
John is my first love. -
Jane is his first wife. -
It's his forty-fifth birthday. -
"O" is the fifteenth letter of the alphabet. -
She lived in the thirteenth century. -
I hear this for the third time. -
This is the thirty-third time you tell me this story. -
Is this her seventh time in London? -
I read the fourth book. -
I give you the third chance. -
He saw her for the first time. -