JAMB - English Language (2024 - No. 115)
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
توضیح
"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."