题目内容：

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Dachi was the name of my pet cockatiel. His name comes from the second half of the Japanese word tomodachi, 1.means friend.

I taught Dachi to whistle two songs, “For He’s A Jolly Good Fellow” and “Happy Birthday to You”. Though his whole range of skills was small, his 2. (confident) never lagged (滞后), and he would frequently wish me a happy birthday when it wasn’t — which could be 3. (embarrass).

When Dachi had been with us for three or four years, I think I may have become a bit too confident with him. One day, I didn’t realize that he was still sitting on my shoulder 4. until the door behind me shut loudly. He 5. (fly) away.

After I placed 6.an advertisement in the local paper, I received a phone call from a woman. I was so relieved to hear this news that I 7. (immediate) drove to her house. When I arrived, she asked me to see whether the bird was 8.(my).

I had a better idea 9. (identify) Dachi and began to whistle the “Happy Birthday” song. The lady stopped me, saying, “He is yours alright — he’s been whistling that all week.”

So Dachi came home in the car 10. (sit) on my shoulder, whistling.