昨晚他走路回家时遭到袭击和抢劫。

He was ___attacked and robbed while walking home last night.

士兵们奉命除非先遭到攻击，否则不得开火。

The soldiers were ordered not to ___attack unless fired upon first.

那只狗突然袭击了邮递员，咬了他的腿。

The dog suddenly ___attacked the postman, biting his leg.