It's his third month here. -
This is my first pet. -
Tomorrow is the twenty-ninth of February! -
This is the ninety-ninth problem for me. -
I finished my first book! -
I have the third lesson today. -
December is the twelfth month of the year. -
I live on the forty-eighth floor. -
It's their fourth week here. -
She goes to the dentist for the seventh time. -
August is the eighth month of the year. -
November is the eleventh month of the year. -
This is the thirty-third time you tell me this story. -
This is not the thirtieth floor. -
You tell her this for the second time! -
I hear this for the third time. -
She lived in the thirteenth century. -
He doesn't have the fourth lesson today. -
It's my fiftieth birthday. -
This is not the eighth floor. -