Надо буду и 25 с лучшим ответом (честно).

2. When we saw the landslide, we were driving home.

3. She was skiing, when she heard the avalanche.

4. The rescue helicopter arrived, when the family was phoning for help.

5. A firefighter gave them the water, when they were waiting for an ambulance.

6. I was drinking from my water bottle, when I saw a helicopter.