题目内容
12、The age of the students ranged from 17 to 21 with a/an ________ of 19.
A．average B．usual C．normal D．regular
试题答案
12、A
相关题目
题目内容
12、The age of the students ranged from 17 to 21 with a/an ________ of 19.
A．average B．usual C．normal D．regular
试题答案
12、A