A:I have a good friend ,but she got angry with me .
B:What's the matter
A:Yesterday ,she asked me for my homework ,but I told her she should do homework by herself.
B:I think you're right.You can't lend your homework to others ,though she is your good friend .If you really want to keep the friendship between you and your friend,you must let her know what she should do .
A:Thank you ,I think I have to talk with her about our friendship.
B:OK,good luck!