The answer is connected with the main use ______ the body makes of food— to supply the energy for movement.

A．where

B．why

C．what

D．that

根据汉语意思完成句子。

1．南希完成她的作业后才上床睡觉。    

      Nancy went to bed after she finished_____ _____ _____.

2．我对当一名作家的工作感兴趣。

      I_____ _____ _____the job as a writer.

3．如果你看太多的电视，你第二天会起晚的。  

      If you watch_____ _____TV,you'll get up late tomorrow.

4．现在别睡觉，否则他们会笑话你的。    

      Don't sleep now,or they'll_____ you.

5．他什么时候把头发染成棕色了？

      When did he_____his hair_____?