Bộ 3 Đề kiểm tra Unit 3 - Tiếng anh 10 iLearn Smart World có đáp án (Đề 3)

A. complaint B. hotline C. problem D. service

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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 of the main stress in each of the following questions.

complaint

hotline

problem

service

Giải thích

Chọn A