Is this the sixtieth floor? -
Is this your twentieth time in India? -
This is the ninety-ninth problem for me. -
She bought the flat on the thirtieth floor. -
What is the twenty-second letter of the alphabet? -
He cooks this cake for the ninth time. -
Do you like my third appartment? -
It's his forty-fifth birthday. -
It's his third month here. -
She travels alone for the second time. -
Yesterday was her seventy-third birthday. -
He lived in the eighteenth century. -
My birthday is on the nineteenth of January. -
May is the fifth month of the year. -
He doesn't have the fourth lesson today. -
I have the third lesson today. -
My house is the second to the right. -
Jane is his first wife. -
This is my first pet. -
He watched the first film. -