It’s my best ___1___ (choose) to volunteer at the Blue Ocean Discovery Center.

It was ___2___ second year of my senior high school. I wanted to do something fun and meaningful. When I ___3___ (see) the notice about the volunteer job, I applied for(申请) it.

During that summer I had ___4___ (much) fun than I could have imagined. The workers were so kind and helpful ___5___ we developed a good relationship soon. They taught me many things. It didn’t take me long ___6___ (learn) about the facts of every animal in the center. I signed up to work four hours a day. However, every day I tried to find excuses to stay longer. I repeatedly spoke with ___7___ (visitor) about the animals, but I never got bored. The joy I got from this work was nothing like I ever felt before.

I loved this volunteer experience. Because ___8___ it, I decided to study animal care in college. Now, I spend my learning time ___9___ (happy) with many animal friends around me. I hope I can get a chance to work with ___10___ (they) when I graduate from college next year.