请用适当的词完成的下面短文,并把所缺单词填写在答题卡指定的位置上。每个空只能填写一个形式正确、意义相符的单词。
 It was getting dark. Some children and two Canadian women were still        on the ice near a big hotel. They were having a good 
     . Suddenly the ice  broke . 
     . of the boys fell into the water. The other boys 
      ,“Help! Help!”They didn’t know  to do. The two Canadian women heard  and skated over to get the boy out of the  water.
 The ice was         thin that the two Canadians also fell into the water, too. But they tried their 
      to save the little boy. They knew they must save the boy
        or he would  die in no time. Many people ran over to help. A young man jumped into the water to save them.
 The boy and the two Canadian women were out of water        last. The boy was saved,but one of the women felt 
      and her face turned pale. She was sent to the 
         at once.  But she felt very happy because the boy was safe.