She bought the flat on the thirtieth floor. -
She goes to the dentist for the seventh time. -
Is this his fifth time here? -
It's your sixth hour here. -
Is this the sixtieth floor? -
It's my fiftieth birthday. -
November is the eleventh month of the year. -
She took the thirty-sixth place. -
This writer lived in the twentieth century. -
This is my second chance. -
Yesterday was her seventy-third birthday. -
He bought the sixty-sixth shirt. -
I don't like her third husband. -
I cook this pizza for the tenth time. -
This is our ninth dancing class. -
You tell me this for the tenth time! -
Yesterday he had his sixth exam. -
It's his third month here. -
This is his thirteenth message. -
Tomorrow is the twenty-ninth of February! -