comfort的副词形式怎么写

　　If you're all sitting comfortably, then I'll begin.

　　要是你们都坐好了，那么我就开始。

　　They are comfortably ahead in the opinion polls.

　　他们在民意测验中遥遥领先。

　　He settled himself comfortably in his usual chair.

　　他在自己惯常坐的椅子上舒舒服服地坐下来。

　　All the rooms were comfortably furnished.

　　所有的房间都配置了舒适的家具。