问题
选择题
The story took place in Europe in the days before automobiles __ everyone used horses.
A．which
B．when
C．where
D．as
答案
答案：B
考查短语从句。先行词为days，在定语从句中作时间状语，故用when，选B.
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The story took place in Europe in the days before automobiles __ everyone used horses.
A．which
B．when
C．where
D．as
答案：B
考查短语从句。先行词为days，在定语从句中作时间状语，故用when，选B.