问题
选择题
The reason why he succeeded is ______ he worked very hard.
A．why
B．that
C．whether
D．how
答案
答案：B
考查表语从句that在从句中不做成分只起连接作用没意思。句意：他成功的原因是他工作非常努力。
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The reason why he succeeded is ______ he worked very hard.
A．why
B．that
C．whether
D．how
答案：B
考查表语从句that在从句中不做成分只起连接作用没意思。句意：他成功的原因是他工作非常努力。