This is the thirty-first floor. -
Tomorrow is the twenty-ninth of February! -
He goes to the doctor for the third time. -
This is the twenty-fifth time I come here. -
"O" is the fifteenth letter of the alphabet. -
I hear this for the third time. -
It's her second day here. -
Look at the second girl. -
This king lived in the twelfth century. -
I go to the university on the sixth of September. -
This is my second chance. -
Is this the eightieth floor? -
Thursday is the fourth day of the week. -
Is Saturday the sixth day of the week? -
It's our fifth year here. -
Yesterday was the seventeenth of July. -
Read the seventh part of the book. -
This is our ninth dancing class. -
I wrote my sixth song. -
I finished my first book! -