The word "they" in paragraph 1 refers to _______.

Đề thi THPT QG 2020 - mã đề 401

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.

Đề thi THPT QG 2020 - mã đề 401

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.

Đề thi THPT QG 2020 - mã đề 401

Mark the letter A, B, C, or Don your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

Đề thi THPT QG 2020 - mã đề 401

Mark the letter A, B, C, or Don your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

Đề thi THPT QG 2020 - mã đề 401

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Tickets for such events will be typically cheap unless you want seats in the VIP areas.

Đề thi THPT QG 2020 - mã đề 401

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Peter was very sick until he took the marvelous medicine that Doctor Staples prescribed.

Đề thi THPT QG 2020 - mã đề 401

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

Despite numerous hard pushes, he couldn't make the window open.