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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Twenty years ago, people ____________ more.
A. will read
B. used to read
C. has read
D. had read
Twenty years ago, people ____________ more.
A. will read
B. used to read
C. has read
D. had read
Câu này sử dụng động từ chia ở thì quá khứ vì có cụm twenty years ago
Đáp án B.