短文改错如下One day an ant fell into a rive.
One day an ant fell into a rive.She made desperate efforts to reach the side ,but made no progresses at all .The poor ant was almost exhausting ,but she was still bravely does her best when a dove saw her.Out of a pity,the dove threw her a blade of grass ,that supported her like a raft,and thus the ant reached the bank .While the ant was resting and drying herself ,she noticed a man with a gun in his hands was coming near .As soon as the man see the dove ,he wanted to shoot .But the ant bit him in the foot just as he rised his gun . The man stopped see what had bitten him ,and the dove immediate flew away . It was an animal many weaker and smaller than the dove that had saved its life.