阅读下面短文，按要求完成下列各题。

Mr. Snow is a lollipop man, "What is a lollipop man?" you may ask. lollipop man helps school children cross(穿过) the road in front of the school gate.

When students and their parents need to cross the road, Mr. Snow holds up a stop sign (指示牌) and walks to the middle of the road, then the cars stop. Students and their parents can walk to the other side of the street safely(安全地).

Mr. Snow is eighty years old. He works five days a week. Every day, he works from 8:30 to 9:30 in the morning and 2:30 to 3:30 in the afternoon.

He's old and he's not tall. He's always smiling. Sometimes he talks tousand wishes us a great day in school. I'm happy to see Mr. Snow every day He make me feel warm and safe.