集体名词用法a big crowd ___gathering aheadis?are?why?

集体名词用法a big crowd ___gathering aheadis?are?why? crowd是集体名词吗 a large crowd of用法 集体名词staff的用法? A big crowd gathered ____ him ____. 集体名词的主谓一致用法 一大群人 是a big crowd of...还是 a large crowd of... 集体名词与不可数名词用法上的区别 1.A big crowd gathered ____ him ____. 主语从句的用法?如同what I saw just now are a crowd of students,____?如 farmer能作为集体名词讲吗,或为什么有这种用法framer are quite satisfied with 为什么 crowds of与a crowd of意思是否一样?crowd这个词具体有什么用法?