Trắc nghiệm: (A)In the past. many (B)agrarians used to (C)working with very poor (D)technologies and farming methods | Gửi trắc nghiệm |
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Trắc nghiệm: (A)In the past. many (B)agrarians used to (C)working with very poor (D)technologies and farming methods | Gửi trắc nghiệm |