Question

【题目】Everyone prepared (dozen/dozens) of presents and exchanged them with each other.

Answer 1

【答案】dozens
【解析】句意：每个人准备了几十个礼物相互交换。dozen，一打，十二个。用法等同于hundred：数词+dozen+名词复数；dozens of+名词复数。所以two dozen eggs两打鸡蛋；dozens of egg几十个鸡蛋。根据空格后of，所以用dozens的形式，所以答案是dozens。