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

A. completion 

B. understand 

C. material 

D. behavior

Chọn đáp án B
- completion /kəmˈpliːʃn/ (n): sự hoàn thành
E.g: He is the person who supervised the completion of the building.
- understand /ˌʌndəˈstænd/ (v): hiểu
E.g: She didn’t understand what I said.
- material /məˈtɪəriəl/ (n): vật liệu, chất liệu, tài liệu
E.g: I need some writing materials.
- behavior /bɪˈheɪvjə/ (n): hành vi, cách cư xử
E.g: Her behavior towards me is becoming aggressive.