We go to New York on the sixteenth of January -
This is the fiftieth floor. -
Tomorrow is her sixtieth birthday. -
He bought the sixty-sixth shirt. -
This writer lived in the twentieth century. -
What is the third day of the week? -
Is "T" the twentieth letter of the alphabet? -
This is not the eighth floor. -
My brother bought the third car. -
I wrote my sixth song. -
It's her second day here. -
Thursday is the fourth day of the week. -
This is the thirty-third time you tell me this story. -
He travels alone for the first time. -
He tries it for the eleventh time. -
Tomorrow is the twenty-ninth of February! -
It's our fifth year here. -
He lives on the eightieth floor. -
He doesn't have the fourth lesson today. -
This is his thirteenth message. -