1.答案:after she went through many hardships
详解:
考查after引导的时间状语从句。
考查固定表达:历尽艰辛，用go through many hardships表达；也可以用endure many hardships。

2.答案:shouldn't/oughtn't to have attend the closing ceremony last night
详解:
考查情态动词的用法:情态动词+have+过去分词结构表示对过去情况的猜测。待译部分隐含“不该做但已经做了

”的意味，用shouldn't/oughtn't to have + 过去分词表示。
考查习惯表达:闭幕式用the closing ceremony表达；出席:attend。