阅读下面短文，根据上下文意义和所给单词首字母，写出标有题号的每小题空白处适当单词的
完全、正确形式。
When I was l3 years old, a boy gave me an important gift.
It was a (1)s______. It was the early autumn of my first year at a junior high school, and my old school
was far away. As a result, no one (2)k______ who I was. I was very lonely, and afraid to make friends with
(3)a______.
Every time I heard the other students talking and (4)l______, I felt my heart break. I couldn't talk to anyone
about my problem, and I didn't want my parents to (5)w______ about me.
Then one day, my classmates talked happily with their friends, but I sat at my desk unhappily as (6)u______.
At that moment, a boy (7)e______ the classroom. I didn't know who he was. He (8)p______ me and then
turned back. He looked at me and, without a (9)w______, smiled.
Suddenly, I felt the touch of something bright and friendly. It (10)m______ me feel happy, lively and warm.
That smile (11)c______ my life. I started to talk with the other students and made friends.
Day by day, I became more active and (12)c______ to everyone in my class. The boy with the lucky
smile has become my best friend now.
One day, I asked him (13)w______ he smiled, but he couldn't remember smiling at me!
It doesn't matter even if he didn't tell me the reason. because all the dark days have gone. Now I believe
that the world is (14)w______ you think it is. If you think you are lonely, you might always be (15)a______.
So smile at the world and it will smile back.