来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/10/05 03:31:51
新概念第三册英第一课问题.
The search proved difficult,for the puma was often observed at one place in the morning and at another place...
difficult是修饰proved的吗? 为什么不是The search proved is difficult,这样的吗?没有BE动词也能修饰?像副词一样?
prove半系动词,+adj.作表语
作业帮