这看起来很难,但实际上很简单。
It looks difficult, but it's ___actually very easy.
实际上,我昨天就完成了作业。
___Actually, I finished my homework yesterday.
我大学时的一个朋友竟然在同一场音乐会上——我多年没见她了!
A friend of mine from university was ___actually at the same concert - I hadn't seen her for years!