It's your sixth hour here. -
I hear this for the third time. -
He saw her for the first time. -
We go to New York on the sixteenth of January -
This is not the thirtieth floor. -
He tries it for the eleventh time. -
It's my fiftieth birthday. -
He finished his eleventh book. -
He watched the first film. -
This is the thirty-first floor. -
This is the fiftieth floor. -
He cooks this cake for the ninth time. -
He lived in the eighteenth century. -
December is the twelfth month of the year. -
She lived in the thirteenth century. -
Read the seventh part of the book. -
He bought the sixty-sixth shirt. -
This is our ninth dancing class. -
I wrote my sixth song. -
This is her fourteenth letter. -