true的副詞形式是什么?

 The island is truly a heaven on earth.

　　那個島堪稱人間天堂。

　　Well, really and truly, things were better than expected.

　　啊，情況的的`確確比預計的要好。

　　I'm truly sorry that things had to end like this.

　　事情落到這樣的結局，我從內心里感到歉疚。