补全对话，在空白处填上适当的句子，使对话完整。

(Rick is studying with Aler at his home. )

R: Hi, Alex! We've been studying for hours.  Let's relax for a moment, OK?

A: Sure.  I feel a little tired and I want to have a rest too.

R: Why not listen to the music and   1  ？  

A: Something to drink? Great! I'm really thirsty.

R: I'd like some juice.  2  ？  

A: I want some water.R: OK.  Here you are.

A:  Thanks.  Er...Rick,  would you mind turning down the music? I want to talk to you.

R: Oh, I'll turn it off   3  ？

A: I am very stressed out these days. I am afraid   4   

R: I don't think you may fail your exam.  You've been studying very hard.

A:  But my reading is not very good.   

R:  It can't be difficult. You just need to be more careful while reading. So don't worry.

A: Thank you for encouraging me.

R:   5