题目内容：

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 __1.（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 _2.__（小溪）. He tried his best to swim towards the bank of the river, but _3.__（失败）. His life hung by a single thread. Just at that time, a kind bird flew over. Seeing that the bee was in great __4._（困境）, the bird picked a leaf __5.（离开） the tree and threw it into the river. The bee climbed onto the leaf and it was _6.__ （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 _7._（他）. However, it happened that the bee saw that. He_ 8._（意识到） what the situation was like . As _9.__（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_ 10.__（能） to save the life of the bird.