A. Matching the meanings:
1. buoy
2. inaccessible
3. incapable
4. erosion
5. barrier
6. mass
7. deluge
8. debris
9. flood
B. Completing the sentences:
11. It took me five minutes to swim out to the buoy and back to shore.
12. To fix the problem of the erosion of the beach, the resort brought in sand from another location.
Note: It seems like there are only two sentences provided for completion. If you have additional sentences or questions, please provide them, and I'll be happy to assist you further.