Alan and Jack are friends.They want to make sure that the birds outside on the ice were ducks or geese (鹅). So1 acold January evening last year, the two bo yswalked onto the frozen (结冰的) rivernear their homes to get a better look. They2a rock onto the ice totest it. They thought the ice could hold their3.Thenthey stepped (踩；踏) on it. But when Jack took4steps,he fell through the frozen surface suddenly.
Alan ran to help hisfriend. He tried to5Jack out from the cold water and ontothe frozen land. But the ice didn't hold, and he fell in, too.
Jack's elder sistersaw the boys falling through the ice and started shouting for help. John, aneighbor6nearby on his way to the store, quicklystopped the car7he heard the shout. Seeing the boys , hecaught a nearby life ring (救生圈),8 his shoes and jumped into the water. John swamtowards Alan and Jack, and took9back to land. They were taken to thehospital at once.10 ,they were really thankful to their braveneighbor.
