On mary's ( ) birthday ,she was given a new computer by her parentsHOW ( ) she was A nine lucky B nineteenth lucky 选什么?说理由
问题描述：
On mary's ( ) birthday ,she was given a new computer by her parents
HOW ( ) she was A nine lucky B nineteenth lucky 选什么?说理由
答
第几个生日是用序数词,所以选B
答
B
答
第几个生日显然要序数词,而A是基数词