Error Identification.
Human beings enjoy their life with more and more (A) progress of science and technological (B) , but it is also very necessary (C) to think more about the problems that modern machines and devices (D) may cause.
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Chủ đề
Error Identification.
Human beings enjoy their life with more and more (A) progress of science and technological (B) , but it is also very necessary (C) to think more about the problems that modern machines and devices (D) may cause.
