He travels alone for the first time. -
"O" is the fifteenth letter of the alphabet. -
It's our fifth year here. -
He lives on the eightieth floor. -
Is this her seventh time in London? -
It's your sixth hour here. -
You go to Italy on the fourteenth of July. -
This is my second chance. -
I go to the university on the sixth of September. -
This is my tenth car. -
I have the third lesson today. -
She bought the fifty-fifth dress. -
This is our ninth dancing class. -
This is the thirty-third time you tell me this story. -
He doesn't have the fourth lesson today. -
This king lived in the twelfth century. -
I wrote my sixth song. -
She goes to the dentist for the seventh time. -
I live on the forty-eighth floor. -
He finished his eleventh book. -