问题
选择题
Great changes have taken place in that school. It is no longer it was 20 years ago, it was so poorly equipped.
A．what; when
B．that; which
C．what; which
D．which; that
答案
答案：A
考查从句。第一空考查表语从句连接词what做was的表语；第二空考查定语从句先行词为20 years ago 关系词when在从句中做状语。