语法与词汇
19.
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
【正确答案】
A
【答案解析】
第一空考查表语从句，“what”在从句中充当was的表语；第二空考查定语从句，先行词“20 years ago”关系词“when”在从句中做状语。
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