This is my first pet. -
My parents bought the second flat. -
Do you like my third appartment? -
Is this your twentieth time in India? -
Is this your fifteenth time in Paris? -
John is my first love. -
"O" is the fifteenth letter of the alphabet. -
He doesn't like my second wife. -
Mary is his first love. -
Is "T" the twentieth letter of the alphabet? -
Is this her seventh time in London? -
I give you the third chance. -
I have the third lesson today. -
This is the thirty-first floor. -
Is this the sixtieth floor? -
This is my tenth car. -
Is this his fifth time here? -
Read the seventh part of the book. -
Yesterday was her seventy-third birthday. -
Look at the second girl. -