I have the third lesson today. -
It's my fiftieth birthday. -
It's his third month here. -
Is this the eightieth floor? -
My second dress is more beautiful. -
He took the twenty-third place. -
Jane is his first wife. -
Yesterday he had his sixth exam. -
He doesn't like my second wife. -
May is the fifth month of the year. -
"O" is the fifteenth letter of the alphabet. -
He goes to the doctor for the third time. -
It's our fifth year here. -
This is the fiftieth floor. -
It's my first week here. -
I hear this for the third time. -
I live on the forty-eighth floor. -
This is our ninth dancing class. -
She bought the flat on the thirtieth floor. -
It's their fourth week here. -