they raised fifty ( deer)and a hundred (sheep ) on their farm last year.括号里的名字为什么用单数形
问题描述：
they raised fifty ( deer)and a hundred (sheep ) on their farm last year.括号里的名字为什么用单数形
答
这两个词复数形式就是原形,属于特殊类.楼主平时要多积累这种词,不过这类词很少,很容易记.