This is the fiftieth floor. -
It's their fourth week here. -
This is the ninety-ninth problem for me. -
I give you the third chance. -
He bought the sixty-sixth shirt. -
It's his forty-fifth birthday. -
What is the third day of the week? -
It's my fiftieth birthday. -
This is his thirteenth message. -
Do you like my third appartment? -
I live on the forty-eighth floor. -
Do you like the twelfth video? -
I cook this pizza for the tenth time. -
He doesn't have the fourth lesson today. -
November is the eleventh month of the year. -
This is our tenth meeting. -
I go to the university on the sixth of September. -
This is the thirty-first floor. -
Is this his fifth time here? -
They come back on the second of August. -