Ex1: Coronavirus germs live in people’s throats and mouths. When someone who has…
Ex1: Coronavirus germs live in people’s throats and mouths. When someone who has… Ex1: Coronavirus germs live in people’s throats and mouths. When someone who has the coronavirus coughs or sneezes or breathes out, the germs come (17) _____ their mouths in tiny drops of water. Though you can’t see the germs, you can sometimes … Đọc tiếp