He took the twenty-third place. -
It's their fourth week here. -
This is not the thirtieth floor. -
It's his third month here. -
This is our tenth meeting. -
Thursday is the fourth day of the week. -
Tomorrow is her sixtieth birthday. -
This is the thirty-first floor. -
John is my first love. -
Is this the eightieth floor? -
"O" is the fifteenth letter of the alphabet. -
It's my first week here. -
Is Saturday the sixth day of the week? -
Is this his fifth time here? -
He bought the sixty-sixth shirt. -
This is my tenth car. -
Jane is his first wife. -
Is "T" the twentieth letter of the alphabet? -
I finished my first book! -
It's his forty-fifth birthday. -