This is my first pet. -
Do you like the twelfth video? -
My brother bought the third car. -
I wrote my sixth song. -
Thursday is the fourth day of the week. -
December is the twelfth month of the year. -
It's our fifth year here. -
Is this her seventh time in London? -
This is the fiftieth floor. -
It's his third month here. -
He lived in the eighteenth century. -
What is the twenty-second letter of the alphabet? -
This is the ninety-ninth problem for me. -
August is the eighth month of the year. -
He finished his eleventh book. -
It's your sixth hour here. -
It's my first week here. -
Yesterday was her seventy-third birthday. -
He bought the sixty-sixth shirt. -
I finished my first book! -