单项选择题一道,不难!ninety percent of the labor force of us __ white colarA.is B.are 为什么?
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单项选择题一道,不难!ninety percent of the labor force of us __ white colarA.is B.are 为什么?
单项选择题一道,不难!
ninety percent of the labor force of us __ white colar
A.is B.are 为什么?
单项选择题一道,不难!ninety percent of the labor force of us __ white colarA.is B.are 为什么?
知道不难还来问
应该自己动脑子先想想
同一楼
是单数复数主要看百分比后面名词是否可数,是单数还是复数
A.is
A
A
A.is
labor force 不可数啊
A
因为 labor force 是不可数名字,white colar 形容的是white colar 所以是A.
A.labor force 作单数讲