Is this the sixtieth floor? -
He tries it for the eleventh time. -
It's the seventh day of my holiday. -
Thursday is the fourth day of the week. -
It's our fifth year here. -
This is the twenty-fifth time I come here. -
Do you see the second person to the left? -
It's my fiftieth birthday. -
"O" is the fifteenth letter of the alphabet. -
I don't like her third husband. -
This is our tenth meeting. -
This is his thirteenth message. -
Tomorrow is her sixtieth birthday. -
It's his third month here. -
This writer lived in the twentieth century. -
She travels alone for the second time. -
This is her fourteenth letter. -
My second dress is more beautiful. -
Yesterday he had his sixth exam. -
He saw her for the first time. -