问题
选择题
It’s not necessary to explain the truth ____ there is spring wind, there is green grass.
A．which wherever
B．that which
C．which when
D．that wherever
答案
答案：D
考查句子结构。It是形式主语，真正的主语是that引导的主语从句。Wherever there is spring wind,是主语从句中的让步状语从句。