Trắc nghiệm: It can be inferred that the author mentions the sources of energy such as wind. steam. petrol in paragraph 1 to ______. | Gửi trắc nghiệm |
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Trắc nghiệm: It can be inferred that the author mentions the sources of energy such as wind. steam. petrol in paragraph 1 to ______. | Gửi trắc nghiệm |