It's your sixth hour here. -
This is not the eighth floor. -
This is his thirteenth message. -
Do you like the twelfth video? -
Yesterday was the seventeenth of July. -
Kate is her third daughter. -
He goes to the doctor for the third time. -
He bought the sixty-sixth shirt. -
He lives on the eightieth floor. -
She lived in the thirteenth century. -
I wrote my sixth song. -
Thursday is the fourth day of the week. -
It's their fourth week here. -
This is my first pet. -
Jane is his first wife. -
Mark is his fourth son. -
Is this your twentieth time in India? -
This is my second chance. -
It's my fiftieth birthday. -
I live on the forty-eighth floor. -