1. 谁告诉过你：such 和 so 引出的倒装句，后面必须跟 that 从句？

2. 正因为主句有了such 和 so，才造就了that 从句为“结果状语从句”。但它毕竟是个附属品，次要成分。只要句意完整，可以不要。

3. 我给你一些例句。你若觉得句意完整，可以把that 从句去掉。

So excited was Mike that he forgot to bring me the gift. 迈克是如此兴奋，竟然忘记给我带礼物了。

So fast does light travel that we can hardly imagine its speed. 光速很快，我们几乎没法想象它的速度。

So sudden was the attack that we had no time to escape. 袭击来得非常突然，我们来不及逃跑。

So good a girl is she that we all like her. 她是一个如此好的女孩，我们大家都喜欢她。

Such a good girl is she that we all like her. 她是一个如此好的女孩，我们大家都喜欢她。

Such a selfish man did Tom become that no one loved him any longer. 汤姆变得如此自私，没人再喜欢他了。

Such was his strength that he could bend iron bars. 他力气大得能把铁棍弯过来。

Such was the darkness of the night that I could see nothing. 那夜非常阴暗，我什么都看不到。