问题
选择题
Do you know the reason ________he was late for the class?
A．why
B．that
C．which
D．who
答案
答案：A
考查定语从句。先行词为表示原因的单词the reason，故引导词只能使用why为什么，选A。
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Do you know the reason ________he was late for the class?
A．why
B．that
C．which
D．who
答案：A
考查定语从句。先行词为表示原因的单词the reason，故引导词只能使用why为什么，选A。