I cook this pizza for the tenth time. -
This is the ninety-ninth problem for me. -
This is not the thirtieth floor. -
I go to the university on the sixth of September. -
She bought the flat on the thirtieth floor. -
This is the thirty-third time you tell me this story. -
He bought the sixty-sixth shirt. -
December is the twelfth month of the year. -
My house is the second to the right. -
"O" is the fifteenth letter of the alphabet. -
He travels alone for the first time. -
He cooks this cake for the ninth time. -
Is this the sixtieth floor? -
My brother bought the third car. -
Today is the thirtieth of April. -
He lived in the eighteenth century. -
This king lived in the twelfth century. -
Kate is her third daughter. -
It's your sixth hour here. -
She took the thirty-sixth place. -