According to paragraph 2, parents in Mongolia feed their child's lost tooth to a dog because ______.Đoạn văn4/30Accordingtoparagraph2,parentsinMongoliafeedtheirchild's lost tooth to a dog because ______.they believe that this will make theirchild's new toothgood and strongthey hope that their childwill get some gifts for his or her tooththey know that dogs are very responsible animalsthey think dogs like eating children's teethGiải thíchChọn đáp án A Giải thích: Dẫn chứng nằm ở dòng số 4 của đoạn 2.