问题
选择题
Can you think of an occasion ______ you can use this gesture.
A．which
B．that
C．when
D．on that
答案
答案：C
考查定语从句。句中先行词为occasion，在从句中作时间状语，故用关系副词when，选C。
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Can you think of an occasion ______ you can use this gesture.
A．which
B．that
C．when
D．on that
答案：C
考查定语从句。句中先行词为occasion，在从句中作时间状语，故用关系副词when，选C。