III:Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each following question
Câu 1:
A. diversity
B. official
C. academic
D. competitive
Câu 2:
A. conference
B. production
C. redundant
D. accomplished
Câu 3:
A. mysterious
B. particular
C. biodiversity
D. announcement
A.
B.
C.
D.