Frogs can search for food underwater, _____ from birds of prey.(hide)用括号里的词的适当形式填空。主要是希望可以解释一下,为什么那里会填hidden。谢谢~
能再说明清楚一些吗~谢谢
句子是倒装句结构, 原句是:Frogs can search for hidden food which is underwater from birds of prey.