五、语法填空
阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。
I have been playing Go(围棋) for over eight years. It is not easy. When you play, you must try hard not to make mistakes and wait 1. your opponent(对手) to make one. If your opponent makes a mistake, you should try 2. (you) best to think fast and make a good move right away.
One time, I was in a big Go competition. My opponent was 3. famous player. But he was so confident(自信的) that he couldn't play 4. (careful) all the time. Finally, he made a wrong decision. It's unbelievable that I was the winner. I felt really happy 5. I beat someone stronger than me.
6. did I learn from playing Go? It helped me build my character and improve my thinking and I 7. (become) more humble(谦虚的). Even when I feel 8. (good) than others, I don't say, "I'm going to win the game for sure." Besides, I learnt to stay careful under different 9. (situation).
Go is a beautiful and smart game. In the past, many scholars(学者) were interested in 10. (play) it. Today, it still excites many people. For me, Go is not just a game—it's a way to grow and learn.

1. for 2. your 3. a 4. carefully 5. because 6. What 7. became 8. better 9. situations 10. playing