【题目】Five students have their ____ (birthday) in September.
【答案】birthdays
【解析】
题干句意:九月份有五个学生过生日。birthday可数名词,主语Five students是复数,birthday应当用其复数形式birthdays,故答案为birthdays。

【题目】Five students have their ____ (birthday) in September.
【答案】birthdays
【解析】
题干句意:九月份有五个学生过生日。birthday可数名词,主语Five students是复数,birthday应当用其复数形式birthdays,故答案为birthdays。