It's our fifth year here. -
He finished his eleventh book. -
This is the ninety-ninth problem for me. -
Is this the sixtieth floor? -
This is my second chance. -
My brother bought the third car. -
Is this your fifteenth time in Paris? -
Is this her seventh time in London? -
"O" is the fifteenth letter of the alphabet. -
It's his third month here. -
It's his forty-fifth birthday. -
Read the seventh part of the book. -
I give you the third chance. -
My second dress is more beautiful. -
Look at the second girl. -
I don't like her third husband. -
This is not the eighth floor. -
This is my first pet. -
It's your sixth hour here. -
Yesterday was her seventy-third birthday. -