1we should (shake-check-take-bring)we have got what we need

2-it is (safe-safety-safely-saving)to drive slowly


3-(safe-safety-safely-saving)caused him to drive slowly.


4-we hope a ship (would-will-must-should)find us before we finish our food and water.


5-a ship came to us so we are (safety-safe-safely-safeguard

Answers
1_ check
2- safe
3- safety
4- will
5- safe