I had no even a vague idea —was going to happen A of what B of which
问题描述:
I had no even a vague idea —was going to happen A of what B of which
I had no even a vague idea —was going to happen A of whatB of which
为什么B不对?
答
这里的固定搭配是 what happen 所以这里要用what 代词来引导从句
而不用which
选择A