填空题

That day we received the order to repair the bridge that had been blown ________ the previous night by the enemy.

  • 1、
【正确答案】 1、

up

    
【答案解析】

blow up爆炸。句意：那天我们收到一条命令，要我们去修几天前的晚上被敌人炸毁的桥。