根据内容和所给汉语提示,写出句子空白处各单词的正确形式。每空限填一词。
Two years ago I went to a new school. There no one knew me. Because of my shyness, I didn't make any friends. I felt very 1. (孤独的). My parents wanted to know 2. (是否) I got on well with my new classmates, but I didn't want my parents to worry about me. Actually, I really expected to have someone to talk with. I always sat in 3. (无声). Some students began to make fun of me. One day I was so angry that I had a fight with one of my classmates. Just at that moment, a boy 4. (经过) by and stopped the fight. He was our class monitor, Devin. After that, Devin often told me not to be shy with other classmates and 5. (鼓励) me to join in their games. I accepted his 6. (建议) and my days were much brighter. He also 7. (介绍) me to people around him. And they 8. (包括) me in their circle of friends. We 9. (信任) each other. Day by day, I had many friends and became happier than ever before. I realised friendship is a kind of 10. (珍宝) in our lives.

1. lonely 2. if/whether 3. silence 4. passed 5. encouraged
6. suggestions/advice 7. introduced 8. included 9. trusted
10. treasure