Is this your fifteenth time in Paris? -
Jane is his first wife. -
Do you like the twelfth video? -
Is this her seventh time in London? -
I have the third lesson today. -
May is the fifth month of the year. -
It's your sixth hour here. -
Is this his fifth time here? -
This is the fiftieth floor. -
Is "T" the twentieth letter of the alphabet? -
Mary is his first love. -
My parents bought the second flat. -
My brother bought the third car. -
This is my first pet. -
I finished my first book! -
He took the twenty-third place. -
It's his forty-fifth birthday. -
This is my tenth car. -
This is not the eighth floor. -
What is the third day of the week? -