Choose the word whose main stress pattern is not the same as that of the others: efficiency, effective, appliance, innovation

Câu hỏi :

Choose the word whose main stress pattern is not the same as that of the others: effective, efficiency, appliance, innovation

A. effective

B. efficiency

C. appliance

D. innovation

* Đáp án

D

* Hướng dẫn giải

D. nhấn âm ba, còn lại nhấn âm hai

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