Is this the eightieth floor? -
He finished his eleventh book. -
Is this your twentieth time in India? -
I don't like her third husband. -
This is the ninety-ninth problem for me. -
This is his thirteenth message. -
I give you the third chance. -
This is the thirty-third time you tell me this story. -
This is not the eighth floor. -
What is the twenty-second letter of the alphabet? -
He bought the sixty-sixth shirt. -
He watched the first film. -
She lived in the thirteenth century. -
You tell me this for the tenth time! -
This king lived in the twelfth century. -
December is the twelfth month of the year. -
I go to the university on the sixth of September. -
Tomorrow is the twenty-ninth of February! -
This is not the thirtieth floor. -
Is this your fifteenth time in Paris? -