Surge
"A sudden surge of energy" → Correct (surge refers to a powerful, rapid increase, fitting here).
"A powerful surge of fire" → Correct (surge can also refer to a rapid burst of fire).
Blaze
"A sudden blaze of energy" → Incorrect (blaze is used for fire, not energy).
"A powerful blaze of fire" → Correct (blaze fits for fire, but not for energy).
Eruption
"A sudden eruption of energy" → Correct (eruption can describe a sudden release of energy).
"A powerful eruption of fire" → Incorrect (eruption is used for volcanoes or bursts but not fire specifically).
Thus, Surge is the only word that fits both blanks correctly.
Hence, option (a) is the correct choice.
Study Notes
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