问题
选择题
The reason for his success is ______ he worked very hard.
A．why
B．that
C．whether
D．how
答案
答案：B
名词性从句考查题。That连接表语从句不做成分不能省。句意：他成功的原因是他工作努力。
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The reason for his success is ______ he worked very hard.
A．why
B．that
C．whether
D．how
答案：B
名词性从句考查题。That连接表语从句不做成分不能省。句意：他成功的原因是他工作努力。