Trắc nghiệm: Older people and people with pre-existing medical conditions appear to be more _______ become severely ill with the COVID-19 virus. | Gửi trắc nghiệm |
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Trắc nghiệm: Older people and people with pre-existing medical conditions appear to be more _______ become severely ill with the COVID-19 virus. | Gửi trắc nghiệm |