Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Energy-saving bulbs should use to save electricity.
Giải bởi Vietjack
Đáp án B
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 primary stress in each of the following questions.
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
