This is not the thirtieth floor. -
He finished his eleventh book. -
What is the twenty-second letter of the alphabet? -
Do you see the second person to the left? -
I finished my first book! -
This is the twenty-fifth time I come here. -
He travels alone for the first time. -
It's her second day here. -
Do you like my third appartment? -
They come back on the second of August. -
My second dress is more beautiful. -
My house is the second to the right. -
My brother bought the third car. -
Is Saturday the sixth day of the week? -
He watched the first film. -
Is this the eightieth floor? -
You tell me this for the tenth time! -
Mark is his fourth son. -
He lived in the eighteenth century. -
She took the thirty-sixth place. -