"O" is the fifteenth letter of the alphabet. -
I have the third lesson today. -
He tries it for the eleventh time. -
I wrote my sixth song. -
She travels alone for the second time. -
He saw her for the first time. -
Do you see the second person to the left? -
He goes to the doctor for the third time. -
This is the fiftieth floor. -
My birthday is on the nineteenth of January. -
He took the twenty-third place. -
Today is the thirtieth of April. -
She bought the flat on the thirtieth floor. -
Is this her seventh time in London? -
They come back on the second of August. -
This writer lived in the twentieth century. -
This is not the thirtieth floor. -
Thursday is the fourth day of the week. -
Read the seventh part of the book. -
It's my fiftieth birthday. -