Question

【题目】 —How old is Mary?

—She is having her __________ birthday this weekend.

A. four B. the four C. fourth D. the fourth

Answer 1

【答案】C

【解析】——玛丽多大了？——这个周末他将举办四岁的生日聚会。在谈论＂……岁生日＂时，需用序数词，序数词前由修饰词her不加定冠词the。