There are 5 ____in the fields .
问题描述:
There are 5 ____in the fields .
A.heads of cattles B.heads of cattle
D.head of cattles D.head of cattle
答
heads of cattle
选B
答案选D,绝对可以说答案错了.我这美国佬就是这么说的,我还问他呢.