Choose the word whose stress is on the first syllable.
A. ensure
B. middle
C. number
D. sister
Đáp án: A
Giải thích: Đáp án B, C, D trọng âm 1. Đáp án A trọng âm 2.
Choose the word which is pronounced differently from the others.
Choose the word which is pronounced differently from the others.
Choose the word which is pronounced differently from the others.