阅读短文， 在空白处填上一个适当的词，使短文在意义上和结构上完整，将答案写在答题纸上。（共5分）
One day, Kidom and his friend Dick went to the river fishing. Kidom took his dog Vick with him. But now and then, when the dog saw a small animal or a bird, he would run1 it and try to catch it. Dick hated the dog very much because the dog frightened the fish away. "Why do you2your dog here?" said Dick to Kidom. "he3here and there. All the fish are frightened and swim4 ." "You are right." answered Kidom. "Next time, I shall come without Vick. Shall we go home now, Dick?" Just then Dick shouted, "Wait. A5is biting (咬)my line. I can feel it." Dick was very glad. He forgot the danger. He went to pull the line. The boy fell down into the water. "Help! Help! I can't swiim." Dick shouted, up and down in the water .
But Kidom could not swim, either. Just then Vick came up. The dog jumped into the water and pulled Dick onto the dry land by biting 's shirt with his teeth. Dick was saved. He was still holding the line in his hand. On its end was a big fish.
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