题目内容
【题目】The forest guards often find campfires that have not been completely.
A．brought down B．put out
C．cut down D．given out
【答案】B
【解析】
试题分析：考查短语动词。bring down使下降；put out扑灭；cut down砍倒；give out发出，放出。句意：护林员常发现没有被完全熄开源节流的篝火。故选B。
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