1804] Groups
of _____ and _____ are eating and _____ at the foot of the hill.
[译文] 一群羊和鹿在小山脚下吃草和绿叶。
A. sheep; deer; grass; leaves
B. sheeps; deers; grass; leaves
C. sheep; deer; grass; leaf
D. sheeps; deers; grasses; leaves
[答案及简析]
A。 名词单复数问题,sheep,
deer 单复数同形;grass不可数名词;leaf的复数是leaves。