Ответ:

1 If one of the hikers hadn't had a mobile phone with her, the hikers wouldn't have been rescured from the storm on the mountain.

2  If the boy hadn't been wearing a life jacket , he wouldn't have survived.

3  If Mr Anderson hadn't herat the smoke alarm, the family wouldn't have had to escape the fire.

4  If I didn't have a computer , I wouldn't send e-mail messages to my friends.

5. If I watched the news, I would know what is going on in the world.

6.  If rescue workers had searched the car properly, they would have noticed  the injured man.

7.  If the staff hadn't left the room, they would have been injured by the flying glass.

8. If John had brothers and sisters he wouldn't feel lonely.

9. If the goalkeeper hadn't made a mistake, the United would have won.

10. If Pratt hadn't drunk alcohol, a police officer wouldn't have stopped him.

Объяснение: