The situation today is obviously quite different from ________ it was only 50 years agoA) whatB) whichC) whenD) such--------------------------------------------------------------------------------
问题描述：
The situation today is obviously quite different from ________ it was only 50 years ago
A) what
B) which
C) when
D) such
--------------------------------------------------------------------------------
答
A
答
The situation today is obviously quite different from ________ it was only 50 years ago.
答
A what from what介宾从句 what做关系代词
答
B which 指代 The situation
答
B which