题目内容：

阅读下面材料,在空白处填入适当的内容（1个单词）或括号内单词的正确形式。（改编）

I want to share a kind act that started with1. (stranger), which left me a deep impression.

One day when I was driving on a highway, my mom called me 2. (tell) that her car stopped suddenly on a busy road. She was so nervous that she didn’t know3.to do. I wanted to help her, but I was not able to reach her quickly.

4. (late) on, when I arrived there, my mom told me that the man5. (call) Mr. Smith, the owner of the restaurant across from where the car stopped gathered his workers and helped to move the car next to the curb (路沿). It was a6. (real) nice gesture and it was very selfless7. them to help. So after sorting things out with my mother’s car, I decided to do something to thank them. Then I went back to the restaurant and8. (buy) dinner from there.

Through this, I realized that sometimes small things could make9. big difference. Definitely their gesture was a great example of a random (随意的) act that inspired me to pay it forward, I made up my mind10. (lend)a hand to whoever needed help.