Compared to the previous model, this new engine operates __________ and consumes significantly less fuel.

A. Most efficiently

B. More efficiently ✓ Benar

C. Efficient

D. Very efficient

Jawaban benar: B

Pembahasan

Karena membandingkan dua hal (“Compared to the previous model”) maka dibutuhkan comparative adverb “more efficiently”.Jawaban: B

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