Choose the option opposite in meaning to the word or phrase underlined.
Before going to bed, make sure you extinguish all the lights.
- turn off
- turn out
-
switch on
- switch off
The correct answer is: C
Explanation
"Extinguish" means to turn off or put out. The opposite of turning off the lights (extinguishing) would be to "switch on" the lights. Therefore, option C is the opposite in meaning to "extinguish."
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