补全对话A:Excuse me!Can I c_____ your homework?B:I'm a______ not

补全对话
A:Excuse me!Can I c_____ your homework?
B:I'm a______ not.But w______ do you want to copy my homework?
A:I have f_____ to do h______.
B:I don't think this is a good i_______ for you want to copy my homework.
A:Why don't you think s_____?
B:Because it will start a bed h_______.You should do your o_____ work by yourself.
A:Aren't you me best friend?
B:Yes,I am.
A:OK,I'll go o______ it.I should do it myself .Thank you.