He finished his eleventh book. -
This writer lived in the twentieth century. -
She travels alone for the second time. -
I don't like her third husband. -
This is our ninth dancing class. -
Is this his fifth time here? -
It's his third month here. -
He doesn't like my second wife. -
I go to the university on the sixth of September. -
I finished my first book! -
It's his forty-fifth birthday. -
It's her second day here. -
Tomorrow is her sixtieth birthday. -
You go to Italy on the fourteenth of July. -
Is this the eightieth floor? -
This is the fiftieth floor. -
This is not the eighth floor. -
My brother bought the third car. -
This is my tenth car. -
Thursday is the fourth day of the week. -