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。
I’m a high school student in Wuhan. I want to share my experience as a volunteer.
It was rainy, but many people were still running the marathon(马拉松). The Wuhan Marathon was (1)_________ April 10th. It attracted (2)__________(many) than 10,000 players all over the world. I volunteered at the marathon. I (3)________(get) there at 6:30 a.m. to help set up a station. Volunteers filled up water in cups and passed them to the (4)________(run). As most of them were in a hurry, they just threw the cups on the ground. So my job was to pick (5)________ the cups. When I did that, many people said “thank you”. I felt very warm (6)________ if it was rainy and very cold. After I worked for about an hour, my jacket and hair were all wet. I kept on picking up cups, but I didn’t feel (7)________(tire) at all.
I learned a lot from volunteering. I know that we should always think about things from another person’s perspective(角度). Maybe(8)________ you saw is not what people (9)________(actual) wanted to do. I enjoy (10)________(be) a volunteer to help and serve!