The passenger was ______ hurt in the traffic accident.(serious)

The passenger was ______ hurt in the traffic accident.(serious)
The passenger was ______ hurt in the traffic accident.(serious)

The passenger was ______ hurt in the traffic accident.(serious)
seriously 副词修饰动词hurt

seriously
那个乘客在交通事故中收到了严重伤害
直接翻译：
那个乘客在交通事故中被“严重地”伤害了。“严重地”是副词，所以要用seriously