Question

【题目】The firemen set out ________ as soon as they heard the alarm. (immediate)

Answer 1

【答案】immediately

【解析】

句意：消防队员一听到警报就立即出发了。

本词修饰谓语动词“set out”可知使用副词；immediate：立即的，立刻的，形容词；副词是immediately：立即，马上。故答案为immediately。