3.Sheep _____ farmers for producing wool and meat.a.is kept by b.is kept for c.are kept for d.are kept by

分类: 作业答案 • 2023-01-22 22:58:22

问题描述：

3.Sheep _____ farmers for producing wool and meat.
a.is kept by b.is kept for c.are kept for d.are kept by

答

a
我认为这里的SHEEP作为是一种动物而言的,以"种"为单位.
所以使用单数.
BY后面是动作的执行者.
FOR表目的所以我认为是A

答