题目内容：

Mike always loves ships. When he was a child, he said, “ I’m going to ___1___(be) a naval soldier(海军士兵）when I grow up. ” But his eyes were not very good， so he___2___(can not) join the navy.

Then he said，“I’m going to ___3___ (buy) a ship and travel around the world. ” But ships were very expensive, and Mike ___4___ (do not) have enough money.

Last summer Mike___5___ (find) a swimming school. He didn’t have to ___6___ (pay) much for the lessons, so he ___7___ (begin) going to the school on weekends. Now he is a good swimmer.

Last week a little boy said to him, “ You’re a very good swimmer. How do you learn___8___(swim) so well?

“I’m not good at all,” Mike said. “ When I’m in the water, I ___9___ (say) to myself, ‘There ___10___ (be) dangerous fishes behind me! ’ Then I’m very afraid，and I swim quickly.”