A:Let's have a class.Today we will take a exam.

　　B to C:Wow!I'm afraid that i will fail the exam!

　　C:oh!Don't be afraid!Believe yourself.

　　B:But...

　　A:ok!Let's start the exam!Please don't cheat in an examination!

　　B(自言自语):What can i do for myself?I'm afraid!

　　开始考试……

　　B（自言自语）：oh my god!What's this?I want to pass the exam,i want to copy C's papers,but...

　　B to C:Please help me !I don't know how to do this.I wangt copy your papers.I know you are my best friend!

　　C:I'm sorry.I'm your best friend but i can't do that! I think you can write down your anwser by yourself.Please believe yourself!