1. Nobody can e_________ (生存) without air or water.
2. The new hospital will be of great b_________ (好处) to the town.
3. She was a________（授予）a medal for bravery..
4. Marry was such a good teacher that she sh
owed great p_________ (耐心) with her pupils.
5. Water had also appeared on other planets like Mars but, u__________ (不像) the earth, it had disappeared later.