Trắc nghiệm: It is estimated that the population of Vietnam will reach 100 million for the next 25 years and will stabilize at 120 million by the middle of this century. | Gửi trắc nghiệm |
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Trắc nghiệm: It is estimated that the population of Vietnam will reach 100 million for the next 25 years and will stabilize at 120 million by the middle of this century. | Gửi trắc nghiệm |