问题
选择题
It is immediately clear ____ the financial crisis will soon be over.
A．since
B．what
C．when
D．whether
答案
D
考查名词性从句。按照句意选择连接词，此处为是否之意，故选whether连接的从句做主语，it为形式主语。
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It is immediately clear ____ the financial crisis will soon be over.
A．since
B．what
C．when
D．whether
D
考查名词性从句。按照句意选择连接词，此处为是否之意，故选whether连接的从句做主语，it为形式主语。