根据对话内容，在空白处填写一个适当的话语（话语可能是个句子，也可能是一个短语或一个词），使对话完整。

(Father is talking about the exam with his son in the room.)

Father: You have been working hard on your studies these days.        1        ?  

Son: Yes,  very tired.  But I have to keep working hard.  You know,  the final exam is coming soon.

Father: I know it's important to you.  

Son: Of course.  It's more important        2         any other kind of exam.

Father: You are right. But you don't need to        3         it.  I believe you can get good grades.  

Son: But Chinese troubles me a lot.  I am afraid         4        .

Father: I don't think .so.  

Son : Sometimes I just have no idea about compositions (作文).

Father: Don't worry. Many students may feel the same as you.  

Son:         5       . but I will still work harder at it.

Father: If so, you'll  pass it.  

Son: I hope so.