众所周知，昨天是汶川地震三周纪念日。 You all know that it was the third anniversary of the Wenchuan earthquake yesterday. I think it known to you all that it was the third anniversary of the Wenchuan earthquake yesterday. That it was the third anniversary of the Wenchuan earthquake yesterday is known to you all. It is known to you all that it was the third anniversary of the Wenchuan earthquake yesterday The fact that it was the third anniversary of the Wenchuan earthquake yesterday is known to you all. What is known to you all is that it was the third anniversary of the Wenchuan earthquake yesterday

宾 从

主 从

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