Question

－How old is your daughter ?
－        . We had a special party for her          party yesterday .
A. Nine , nine.     B. Nine , ninth .        C. Ninth , ninth .

Answer 1

B.

nine是基数词，只表示数目，ninth是序数词，表示顺序。她九岁，用nine，为她的第九个派对用ninth，故B 。