根据句意填空。

1.  —What's the _______  with you?

     —I have a h_______.

     —You should go to bed.

2.  Mrs Green's daughter has a bad c_______  She has to take her to see a doctor.

3.  If you have a s_______. you should lie down and _______.

4.  Mrs Liu has a s_______ back because she has a lot of homework to do every day.

5.  The girl goes to school with a big bag on her _______.