Mark is his fourth son. -
"O" is the fifteenth letter of the alphabet. -
It's my first week here. -
This is my second chance. -
This is the ninety-ninth problem for me. -
Do you like the twelfth video? -
Look at the second girl. -
This is his thirteenth message. -
It's her second day here. -
He took the twenty-third place. -
It's the seventh day of my holiday. -
I hear this for the third time. -
Is this the eightieth floor? -
She takes her cat to the vet for the fourth time. -
She took the thirty-sixth place. -
This is not the thirtieth floor. -
You go to Italy on the fourteenth of July. -
I cook this pizza for the tenth time. -
This is the twenty-fifth time I come here. -
They come back on the second of August. -