Bill and Simon were good friends. One summer they were on (1) 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 (2) e__________ because they had wanted to see them very much. Unluckily, (3) w __   ___ they were watching them, the whales began to hit the side of the boat. Suddenly, (4) w ______ started coming in, and they realized that they were in trouble. They (5) 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 (6) 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 (8) a _____ them. They saw about twenty ships, but although they waved and shouted when the ships were passing, (9) n _________ saw them. They were becoming weaker and weaker. Then, just as they were beginning to (10) l _______________ hope, a fishing boat saved them.