It's my fiftieth birthday. -
He saw her for the first time. -
Is this his fifth time here? -
This is my tenth car. -
Is this the sixtieth floor? -
This is my second chance. -
He finished his eleventh book. -
It's the seventh day of my holiday. -
This is our ninth dancing class. -
It's my first week here. -
It's their fourth week here. -
My birthday is on the nineteenth of January. -
I give you the third chance. -
Look at the second girl. -
I hear this for the third time. -
Tomorrow is her sixtieth birthday. -
My second dress is more beautiful. -
This writer lived in the twentieth century. -
May is the fifth month of the year. -
He doesn't like my second wife. -