Choose the correct option.

1. He tried hard to ... alive.

2. She backed ... from the race in the end.

3. The clouds ... the view.

4. The water ... fast.

5. The tsunami ... land fast.

6. The earthquake created ... on the water.

7. Yesterday’s train crash resulted in a terrible ... of life.

8. Despite his accident, Aron carried ... climbing.

9. Back ... your computer files regularly.

10. The ... roar of the volcano could be heard for miles.