It's your sixth hour here. -
"O" is the fifteenth letter of the alphabet. -
I have the third lesson today. -
He bought the sixty-sixth shirt. -
He took the twenty-third place. -
James is her second husband. -
It's my first week here. -
Is this your fifteenth time in Paris? -
Yesterday was the seventeenth of July. -
This is my second chance. -
My parents bought the second flat. -
Mary is his first love. -
This is my first pet. -
Yesterday was her seventy-third birthday. -
This is my tenth car. -
This is not the eighth floor. -
He lived in the eighteenth century. -
Do you like the twelfth video? -
I finished my first book! -
What is the third day of the week? -