Tìm lỗi sai và sửa lại ạ giúp mình với 1 : I'm the younger péon in my family 2 : My brother is busyer than I am 3 : Maryis taller that her sister 4: London is smallest than Mescico City 5:Is your kitchen biger than my sister ? 6: Which season is coldest in yuor country ? 7: Her hair is short than my hair 8: Our teacher is the goodest person I know