Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có lời giải chi tiết (Đề 2)

The passage is mainly about the A. history of silent movies B. disadvantages of synchronized sound C. development of sound with movies D. research into sound reproduction

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The passage is mainly about the

history of silent movies

disadvantages of synchronized sound

development of sound with movies

research into sound reproduction

Giải thích

Chọn C