She bought the flat on the thirtieth floor. -
"O" is the fifteenth letter of the alphabet. -
He took the twenty-third place. -
Today is the thirtieth of April. -
Yesterday he had his sixth exam. -
This is the twenty-fifth time I come here. -
I don't like her third husband. -
This is his thirteenth message. -
Is this your twentieth time in India? -
I finished my first book! -
This is our ninth dancing class. -
She goes to the dentist for the seventh time. -
What is the twenty-second letter of the alphabet? -
It's her second day here. -
November is the eleventh month of the year. -
He doesn't like my second wife. -
James is her second husband. -
He doesn't have the fourth lesson today. -
It's your sixth hour here. -
This king lived in the twelfth century. -