Mark is his fourth son. -
Is this your fifteenth time in Paris? -
She lived in the thirteenth century. -
She takes her cat to the vet for the fourth time. -
He bought the sixty-sixth shirt. -
Kate is her third daughter. -
I start to work on the twenty fifth of May. -
They come back on the second of August. -
Is "T" the twentieth letter of the alphabet? -
I give you the third chance. -
It's the seventh day of my holiday. -
This is the fiftieth floor. -
Mary is his first love. -
You go to Italy on the fourteenth of July. -
Look at the second girl. -
Tomorrow is her sixtieth birthday. -
It's my fiftieth birthday. -
This is the thirty-third time you tell me this story. -
I have the third lesson today. -
I don't like her third husband. -