A group of _______ are eating ____ and ____ at the foot of the hill.

A group of _______ are eating ____ and ____ at the foot of the hill.
A. sheep; grass; leaves
B. sheeps; grasses; leaves
C. sheep; grass; leaf D. sheeps; grass; leafs
怎么选B？sheep不是单复数同形吗？
sheep不是单复数同形吗？

关于a group of a group of 的用法。。。。 controlling group of a number of companies In fact, a group of researchers say .... in front of a group中文意思 a group of 和 a crowd of 有什么区别 A group of children 用单数还是复数? the visitor came in,___by a group of young men. he is a man of ____ (act) ____, he knows a lot of things.