It's the seventh day of my holiday. -
She goes to the dentist for the seventh time. -
She travels alone for the second time. -
This is the thirty-first floor. -
Is this his fifth time here? -
November is the eleventh month of the year. -
It's our fifth year here. -
Mary is his first love. -
What is the twenty-second letter of the alphabet? -
"O" is the fifteenth letter of the alphabet. -
Look at the second girl. -
This writer lived in the twentieth century. -
Is this your fifteenth time in Paris? -
This is my second chance. -
May is the fifth month of the year. -
Mark is his fourth son. -
Thursday is the fourth day of the week. -
It's my first week here. -
I wrote my sixth song. -
Her shop is the third to the left. -