Jenny was born five years ago and this is her____birthday.在空格处填five,fifth,fifty.空格处只能填一个单词
问题描述：
Jenny was born five years ago and this is her____birthday.
在空格处填five,fifth,fifty.空格处只能填一个单词
答
fifth,序数词意思是第五个生日（就是五岁生日的意思）