Вставьте пожалуйста или окончание er, или more или most

2) Cleo's hair is curlier than Carla's   3) Cleo's boots are more comfortable than Carla's   4) Cleo's better at clothes shopping than Carla.     5) Carla's better at styling her own hair than Cleo.   6) Cleo's hair is redder than Carla's