1 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Before we abandoned the ship, Shackleton calmly called us together and told us to rescue our 1 (essential) supplies — the small boats, our food, the cook stove, candles, clothes and blankets. We were not allowed to take most of our personal belongings, and Shackleton 2 (he) threw away all his gold. 3 (surprising), he allowed Hussey to keep his banjo in order to keep our spirits up. Soon 4 we arrived at Elephant Island, Shackleton selected a boat party and set off for South Georgia Island to get help. We 5 (struggle) for months since their departure, but things on Elephant Island are going 6 bad to worse. Thanks to Frank and Ernest, were it not for their genuine concern for others, their 7 (persevere) and their resolve, we would all be dead by now.