which不可以指代整个句子，哪些词可以指代前面整个句子呢？

caroline莲莲

which不可以指代整个句子，哪些词可以指代前面整个句子呢？
比如我想表达“假期过了一半我什么也没学”这个事情让我很沮丧，怎么讲呢？
I have gained nothing in the past four days of the National Day, ?? makes me frustrated.

caroline莲莲

MGAMT:
In some cases, you can use an “comma+V-ing” in place of an absolute phrase. At the end of a sentence, either an V-ing form or an absolute phrase can indicate a result of the preceding clause.

终于碰到baby姐说的两种方法了

caroline莲莲

absolute phrase

caroline莲莲

自己回答自己，用absolute modifier