__ was his anger that his face turned red.这个句子为什么选择such?请给出解释,谢谢

问题描述:

__ was his anger that his face turned red.
这个句子为什么选择such?请给出解释,谢谢

his anger was such that his face turned red.
他如此的生气以至于他的脸都气红了.
等价于he was so anger that his face turned red.
这里是前置倒装.