He travels alone for the first time. -
He saw her for the first time. -
This is not the thirtieth floor. -
Thursday is the fourth day of the week. -
He doesn't have the fourth lesson today. -
I live on the forty-eighth floor. -
This is the ninety-ninth problem for me. -
Do you see the second person to the left? -
Is "T" the twentieth letter of the alphabet? -
I hear this for the third time. -
This is the thirty-third time you tell me this story. -
We go to New York on the sixteenth of January -
My house is the second to the right. -
My brother bought the third car. -
I wrote my sixth song. -
This is the twenty-fifth time I come here. -
My parents bought the second flat. -
Kate is her third daughter. -
She bought the fifty-fifth dress. -
This is my first pet. -