He travels alone for the first time. -
This is our tenth meeting. -
She travels alone for the second time. -
They come back on the second of August. -
Mark is his fourth son. -
This is the ninety-ninth problem for me. -
Mary is his first love. -
He saw her for the first time. -
This is her fourteenth letter. -
Do you like the twelfth video? -
Do you like my third appartment? -
Yesterday was her seventy-third birthday. -
Her shop is the third to the left. -
Tomorrow is the twenty-ninth of February! -
I finished my first book! -
Thursday is the fourth day of the week. -
I live on the forty-eighth floor. -
"O" is the fifteenth letter of the alphabet. -
He watched the first film. -
This is his thirteenth message. -