I. Phonetics and Speaking

Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions infectious essential

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Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

infectious

essential

precaution

properly

Giải thích

Đáp án D

Giải thích: Đáp án B, C, A trọng âm 2. Đáp án D trọng âm 1.