步行回家用英文怎么表達？

　　雙語例句：

　　因為沒有公共汽車，我們只好步行回家。

　　There being no bus, we had to walk home.

　　他在步行回家的時候心臟病發作。

　　As he was walking home, he had a heart attack.

　　他的錢都丟了，不得不步行回家。

　　He lost all his money and had to pad it home.

　　無論如何別獨自一人步行回家。

　　Do not on any account walk home by yourself.

　　沒有趕上末班車，我們只好步行回家。

　　Not catching the last bus, we had to walk home.