Yesterday was her seventy-third birthday. -
Is this his fifth time here? -
James is her second husband. -
Read the seventh part of the book. -
I have the third lesson today. -
This is the twenty-fifth time I come here. -
This is the fiftieth floor. -
May is the fifth month of the year. -
He watched the first film. -
He lived in the eighteenth century. -
It's your sixth hour here. -
Mark is his fourth son. -
It's my first week here. -
I finished my first book! -
He finished his eleventh book. -
Jane is his first wife. -
This is my first pet. -
Mary is his first love. -
Is this the sixtieth floor? -
"O" is the fifteenth letter of the alphabet. -