Mark is his fourth son. -
He bought the sixty-sixth shirt. -
Mary is his first love. -
I go to the university on the sixth of September. -
She lived in the thirteenth century. -
What is the twenty-second letter of the alphabet? -
This is the thirty-first floor. -
This writer lived in the twentieth century. -
I have the third lesson today. -
November is the eleventh month of the year. -
It's our fifth year here. -
He cooks this cake for the ninth time. -
Tomorrow is the twenty-ninth of February! -
He finished his eleventh book. -
Yesterday he had his sixth exam. -
My birthday is on the nineteenth of January. -
Yesterday was the seventeenth of July. -
Is this her seventh time in London? -
He lived in the eighteenth century. -
John is my first love. -