题干
He is _____, and today is his _____ birthday.
A：thirteen; thirteen
B：thirteenth; thirteenth
C：thirteenth; thirteen
D：thirteen; thirteenth
答案(点此获取答案解析）
D
He is _____, and today is his _____ birthday.
A：thirteen; thirteen
B：thirteenth; thirteenth
C：thirteenth; thirteen
D：thirteen; thirteenth
