Put the ɑːwords into two group ( /ɑː/ and /æ/): car, start, map, hand, castle, rapid, fat, aren't, park, man, natural, calm, bag, dark, cat, apple, father, stand
BT1: Put the ɑːwords into two group ( /ɑː/ and /æ/ )
Từ đã cho: car, start, map, hand, castle, rapid, fat, aren't, park, man, natural, calm, bag, dark, cat, apple, father, stand