happy的副詞形式是什么樣的

　　Albert leaned back happily and lit a cigarette.

　　艾伯特開(kāi)心地向后斜靠著并點(diǎn)燃一支香煙。

　　The children were playing happily with their toys.

　　孩子們正高興地玩著玩具。

　　She married the prince and they lived happily ever after.

　　她與王子成了婚，從此過(guò)著幸福的生活。