I am sure you looked beautiful that evening.这个句子里省略了名词性从句的引导词that.补全应该是I am sure ( that ) you looked beautiful that evening ,that 在名词性从句中,这里是宾语从句,起连接主句和从句的作用,在从句中不充当任何句子成分,名词性从句中的that在宾语从句中可以省略,that evening 中的that 只是一个限定词修饰evening.
英语中sorry 的用法
1.be sorry for sth
eg .I am sorry for my coming late ,
I am sorry for what I have done ,
2.be sorry that 句式 对...感到愧疚
eg.I am sorry that I can not help you
3.be sorry to do sth
eg .I am sorry to bother you .