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It was never clear _why_ the man hadn"t reported the acciden

来源:学生作业帮 编辑:灵鹊做题网作业帮 分类:英语作业 时间:2024/05/05 14:46:10
It was never clear _why_ the man hadn"t reported the accident sooner.为什么这么填呢?
It was never clear _why_ the man hadn
这里it为形式主语.真正的主语是后面why引导的名词性从句,在这里做主语.
你换一下句子顺序就知道了:
why the man hadn"t reported the accident sooner was never clear .
the man hadn"t reported the accident sooner已经是一个完整的句子
因此用了关系副词来连接,而用why也比较符合句意~