两道英语填空哈!

问题描述:

两道英语填空哈!
I can't but ____(laugh) to hear such a story.
Jane was tired as she ____(work) all day.

laugh~can(not) do but do"除了……我只能做什么~意思是这个故事太好笑了~
had been working~或者was working~我觉得都可以~as=because 因为主句是过去式~所以从句也只能是过去式中选择了~