1．do well in在某方面做得好
My cousin is a sailor and he is doing very well in the navy
2．do good to对……有好处
Doing morning exercises will do good to your health．
3．do harm to对……有害处
Too much noise does harm to our health．
4．do with处理
What did you do with our goods?
5．do sb．a favour帮某人的忙
Will you do me a favour to carry it upstairs?