完形填空 通读下面的短文，掌握其大意，然后从所给的A、B、C三个选项中选出一个最佳答案。（共10小题，计20分）
Mike loves ships(轮船). When he was a child, he said, “I’m going to      a naval soldier (海军士兵) when I grow up.” But his eyes were not very     , so he could not join the navy(海军). Then he said, “I’m going to     a ship and travel around the world.” But ships were very expensive, and Mike did not have enough     .
Last summer Mike found a swimming     . He didn’t have to (不必)      much for the lessons, so he began going to the school on weekends. Now he is a good      .
Last week a little boy said to him, “You swim so well.    do you learn to swim so well?”
“Oh,” Mike said. “ I swim      , because I always think there are       fishes behind me!”
A. am            B. be               C. was
A. big           B. Beautiful            C. good
A. buy      B. see                C. draw
A. food              B. time             C. money
A. park              B. school             C. pool
A. pay         B. take             C. send
A. reporter       B. scientist        C. swimmer
A. How              B. Who         C. Which
A. fast                B. quietly             C. carefully
A. interesting          B. dangerous           C. Understanding