Difficulty: Easy
Correct Answer: out
Explanation:
Given data
Concept/Approach
Standard usage: “put out the light/candle” = extinguish or switch off.
Option analysis
out — correct with “light.”off — common in “switch off,” but idiomatically we say “put out” the light.on/up — incorrect meanings here.
Common pitfalls
Avoid mixing “put off the light,” which is nonstandard in formal English.
Final Answer
out
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