"O" is the fifteenth letter of the alphabet. -
Mark is his fourth son. -
It's her second day here. -
I start to work on the twenty fifth of May. -
She bought the flat on the thirtieth floor. -
He goes to the doctor for the third time. -
He bought the sixty-sixth shirt. -
Is this your fifteenth time in Paris? -
Look at the second girl. -
She bought the fifty-fifth dress. -
Yesterday he had his sixth exam. -
You tell her this for the second time! -
What is the twenty-second letter of the alphabet? -
Jane is his first wife. -
She took the thirty-sixth place. -
This writer lived in the twentieth century. -
Thursday is the fourth day of the week. -
We go to New York on the sixteenth of January -
Do you see the second person to the left? -
She goes to the dentist for the seventh time. -