A group of stuents 是单数复数?

A group of stuents 是单数复数? a group of a group of man 还是a group of men 为什么？ a group of enemies or ,a group of enemy a group of people谓语 是单数还是 复数 be a group of 中be是is 还是are? 用a group of 造句. a group of 中文意思 a group of classmates是什么意思 A group of young birds! a group of 怎么用 a group of people is/are?a group of people 这里是用单数is还是复数are呢? children dancers还是child dancers?是a group of children dancers还是a group of child dancers? 一个英语问题 求哥哥姐姐来帮忙a group of police 是成立的 那么a group of policemen group of 用with a group of frends 造句 A GROUP OF 变复数怎么变 group,a,of,people,are,young,swimming