"O" is the fifteenth letter of the alphabet. -
It's your sixth hour here. -
Look at the second girl. -
My house is the second to the right. -
We go to New York on the sixteenth of January -
He watched the first film. -
Mary is his first love. -
I finished my first book! -
Is Saturday the sixth day of the week? -
I hear this for the third time. -
Is this her seventh time in London? -
Today is the thirtieth of April. -
James is her second husband. -
Is this your twentieth time in India? -
Thursday is the fourth day of the week. -
This is my tenth car. -
He tries it for the eleventh time. -
He took the twenty-third place. -
Yesterday was the seventeenth of July. -
Yesterday he had his sixth exam. -