Как будет 12:45 , 11:55 , 5:10 , 4:30 , 11:40

1) 12:45 - a) twelve forty-five; b) fifteen to one; c) a quarter to one - fifteen minutes = a quarter;

2) 11:55 - a) eleven fifty-five, b) five to twelve;

3) 5:10 - a) five ten; b) ten past five;

4) 4:30 - a) four thirty; b) thirty past four; c) half past four - thirty minutes = half; 

5) 11:40 - a) eleven forty; b) twenty to twelve;

6) 6:00 - a) six a.m. = six oclock in the morning (a.m. разговариваем с часами с 24:00 до 12:00); b) six p.m. = six oclock in the evening (p.m. - с 12:00 до 24:00).