a group of people 为什么用of 固定用法么 .
a group of people 为什么用of 固定用法么 .
a group of用法
a group of 的用法.
Seated on the ground are a group of young people.为什么要用过去分词?
There ___ a group of people...用is 还是are?
25. A group of young people, who ...
25.A group of young people,...
a group of people is/are?
group,a,of,people,are,young,swimming
a group of people\ a basket of apples+are,
a troop of 和a group of 的用法区别
a group of people 与the group of people的区别