Question

状语从句

Answer 1

分类: 教育/科学 >> 外语学习
问题描述:

Signs of warning were set up _______ road accidents frequently occurred.

A. in places B. at which C. where D. that

请解释一下三个错误答案为什么错?

解析:

C正确。如选A的话，Signs of warning were set up in places 这是主句，后面的成分是定语从句，但少了关系副词。在in places 后加where则A正确；选B的话set up后地点状语，D是关系代词，在这里只能用关系副词。