根据短文内容和所给中文提示，在空白处写出单词的正确形式。每空限填一词。

A fable about help

    One day, a ____（口渴的） bee went to a river to drink. As he was drinking, suddenly the bee was carried away by the running water in the ____（小溪）. He tried his best to swim towards the bank of the river, but ____（失败）. Just at that time, a kind bird flew over. Seeing that the bee was in great ____（困境）, the bird picked a leaf ____（离开） the tree and threw it into the river. The bee climbed onto the leaf and it was ____ （带来） safely to the land. He was so thankful to the bird for saving his life.

    Not long after that, the bird was sitting on the branch of a tree. He didn`t know that not far from him, a man raised his gun and was about to shoot at ____（他）. However, it happened that the bee saw that. He ____（意识到） what the situation was like. As ____（快） as he could, he flew into the man`s eyes and stung him. The pain in his eyes was so great that the man had to give up shooting at the bird.

    In this way , the bee, whose life had been saved by the bird, was ____（能） to save the life of the bird.