Помогите сделать номер 8 9 пожалуйста буду ждать

(8) 1)Listen! Somebody sings 2) I am sorry. i don't understand 3) 4) Sarah usually walks to school 5) Ann went to London three days ago (9) 1) More comfortable 2) 3) 4)The best 5)The longest 6) worse 7). Better 8) colder 9) the hottest 10) the worse 11) more interesting 12)