问题
选择题
Beijing was attacked by such a terrible sandstorm __________few citizens has ever experienced before.
A．where
B．as
C．when
D．which
答案
答案：B
考查as引导的定语从句。因为现行词前有such，故用as.
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Beijing was attacked by such a terrible sandstorm __________few citizens has ever experienced before.
A．where
B．as
C．when
D．which
答案：B
考查as引导的定语从句。因为现行词前有such，故用as.