He said that he had never spent such a worrying day.同义句,谢谢

He said that he had never spent such a worrying day.
= He said that he had never spent so worrying a day.
即：such a/an + 形容词 + 可数名词单数 = so + 形容词 + a/an + 可数名词单数
如果你满意我的答案,敬请采纳,这是对我们答题者劳动的尊重,多谢!