Halloween is an old festival.Americans celebrate it every （year,年）.It comes on October 31st,the (eve,前夕) before All Saint's Day.It's a holiday for children.
Every （autumn,秋季） ,when the vegetables are ripe,（children,孩子们） pick large pumpkins.Then they cut faces in the pumpkins and (put,放) lights inside.It looks like there is a person looking out of the pumpkin!
The children （also,也） put on strange masks and clothes.Some children make their face （look,看起来）like monsters.Then they carry boxes to （collect,收集） money for "UNICEF" from door to door.They raise money to help （poor,贫困的） children all over the world,Of course,every time they help UNICEF,they usually （receive,收到） a treat for themselves,too.