This is the thirty-first floor. -
He doesn't have the fourth lesson today. -
Do you like my third appartment? -
Mary is his first love. -
Is this her seventh time in London? -
This is my first pet. -
He bought the sixty-sixth shirt. -
He doesn't like my second wife. -
It's his forty-fifth birthday. -
Yesterday was her seventy-third birthday. -
It's your sixth hour here. -
James is her second husband. -
Is Saturday the sixth day of the week? -
It's my first week here. -
May is the fifth month of the year. -
What is the third day of the week? -
"O" is the fifteenth letter of the alphabet. -
It's her second day here. -
I don't like her third husband. -
Is this your fifteenth time in Paris? -