He lived in the eighteenth century. -
Thursday is the fourth day of the week. -
This is the twenty-fifth time I come here. -
This is the thirty-first floor. -
"O" is the fifteenth letter of the alphabet. -
I have the third lesson today. -
This is my first pet. -
I don't like her third husband. -
I give you the third chance. -
I read the fourth book. -
Mary is his first love. -
Look at the second girl. -
He bought the sixty-sixth shirt. -
August is the eighth month of the year. -
Yesterday was her seventy-third birthday. -
Do you like the twelfth video? -
James is her second husband. -
Kate is her third daughter. -
He doesn't like my second wife. -
It's your sixth hour here. -