方式状语:how
主语:life
谓语:began
地点状语:ontheearth
翻译:生命在地球上是如何产生(开始)的.
⊙﹏⊙b汗 亲,我想说的是how life began on the earth 是一篇课文,这个课文里的名词性从句,嘻嘻,似乎有点难哈
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