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根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限填一词。
Bill and Simon were good friends. One summer they were on h      . They wanted to sail around the Caribbean Sea in their boat for two weeks.
During their trip, they saw many whales. Bill and Simon were very e      because they had wanted to see them very much. Unluckily, w      they were watching them, the whales began to hit the side of the boat.
Suddenly, w      started coming in, and they realized that they were in trouble. They q      jumped into the lifeboat before the sank(沉没), and watched it disappear under the sea.
Luckily, they had enough food and water for about twenty d      . They also had a fishing line and a machine which could change sea water i      drinking water. These two things helped them to survive(存活) during their terrible experience.
For the next fifty days they caught about ten fish a day and a      them. They saw about twenty ships, but although they waved and shouted when the ships were passing, n      saw them. They were becoming weaker and weaker. Then, just as they were beginning to l      hope, a fishing boat saved them.