语法填空

　　On January 18^th, 1915 the Endurance became 　　1　　(stick)in pack ice(which can be solid or broken into huge floating pieces of ice)as we approached Antarctica．The ice froze around us and we were well and truly stuck! The ship was 　　2　　(gradual)crushed in front of our eyes．I believe Shackle ton must have mourned this unexpected end to his expedition, 　　3　　 he did not waste time on regrets．Calling us calmly together, he made 　　4　　 urgent announcement 　　5　　 we must save only essential supplies 　　6　　 the ship sank, particularly the small boats, food, cooking equipment, candles, bedding and clothes．To show his determination, Shackle ton threw some gold coins and his gold watch onto the ice．But to my surprise he encouraged Hussey to bring his banjo．He described it as vital for keeping 　　7　　 cheerful．

　　His perseverance 　　8　　 our complete faith in him．He was always honest with us(as in the advertisement)and never gave way to disappointment, even when the ship sank．On April 9^th 1916, we moved to our present camp on Elephant Island．Soon Shackle ton set out the framework for our life here：no differences in rank or in social status; everyone to keep busy; a fair division of food and bedding; and a concern for all．This team-spirit contributed 　　9　　 the morale of the crew and saved our 　　10　　．