Alan and Jack are friends. They wanted to make sure that the birds outside on the ice were ducks or geese(鹅). So 1 a cold January evening last year, the two boys walked onto the frozen(结冰的)river near their homes to get a better look. They2 a rock onto the ice to test it. They thought the ice could hold their 3. Then they stepped(踩；踏)on it. But when Jack took4 steps, he fell through the frozen surface suddenly.
Alan ran to help his friend. He tried to 5 Jack out from the cold water and onto the frozen land. But the ice didn't hold, and he fell in, too.
Jack's elder sister saw the boys falling through the ice and started shouting for help John, a neighbor 6 nearby on his way to the store, quickly stopped the car 7 he heard the shout. Seeing the boys, he caught a nearby life ring(救生圈), 8 his shoes and jumped into the water. John swam towards Alan and Jack, and took 9 back to land. They were taken to the hospital at once. 10 , they were saved. They were really thankful to their brave neighbor.
