John: Yesterday was March 5th, Lei Feng Day. Lei Feng is a great hero. ?
Sarah: Yes, I know his story. He helped many people during his 22 years of life.
John: We should learn from him. I picked up the trash （捡垃圾） in the park yesterday. ?
Sarah: I went to the old people's home.
John: ?
Sarah: I went there by bus.
John: ?
Sarah: I cleaned the rooms and sang songs for the old people.
John: You're really helpful. ?
Sarah: Yes, I was very happy to help the old people. Lei Feng Spirit （精神） always encourages （激励） us.
