问题
选择题
It was at midnight ______ he got to his friend’s house．
A．when
B．since
C．that
D．while
答案
答案：C
考查定语从句。先行词midnight为下文逻辑时间状语，前面有介词at，故引导词用that，选C。
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It was at midnight ______ he got to his friend’s house．
A．when
B．since
C．that
D．while
答案：C
考查定语从句。先行词midnight为下文逻辑时间状语，前面有介词at，故引导词用that，选C。