题目内容：

阅读下列短文，根据短文内容填空，在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

One morning I went fishing in a river 1. suddenly there came a cry: “Help!” I looked around and saw a boy struggling in the river. Throwing the fishing pole, I jumped into the river and swam 2. (quick) towards the boy. Then I took the boy to a nearby hospital. After the boy was saved, his mother gave me a thousand thanks. Back to my fishing place, I found my fishing pole floating on the water. 3. my surprise, there was a big fish on the hook.