Trắc nghiệm: Humans (A) have done (B) great advances (C) in technology at the expense (D) of the environment. | Gửi trắc nghiệm |
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Trắc nghiệm: Humans (A) have done (B) great advances (C) in technology at the expense (D) of the environment. | Gửi trắc nghiệm |