Luckily, the firefighters arrived and ____ the terrible fire.A. put onB. put outC. put downD. put away

本题考查动词短语的用法，核心是区分不同 "put" 的固定搭配。解题关键在于理解每个短语的具体含义，并结合语境选择最符合句意的选项。"put out" 是扑灭火灾的固定表达，需注意与其他 "put" 短语的区分。

选项分析

A. put on

• 意为“穿上”（如衣服）或“上演”（如表演）。例如：
  • She put on a coat before going out.
  • The theater will put on a new play next week.
• 与“灭火”无关，排除。

B. put out

• 意为“扑灭”（火灾、烛火等）或“熄灭”。例如：
  • Firefighters worked hard to put out the forest fire.
  • Please put out your cigarette.
• 符合题意， firefighters 扑灭大火。

C. put down

• 意为“放下”（物体）或“镇压”（如起义）。例如：
  • Put down the book and help me.
  • The government put down the rebellion.
• 与“灭火”无关，排除。

D. put away

• 意为“收起来”（整理物品）或“储存”。例如：
  • Put away your toys before dinner.
  • She put away some money for her retirement.
• 与“灭火”无关，排除。