1. 用方框中所给词的适当形式填空

do   mouse   turn   save   box

1. （1） There are lots of in the old house.
3. （2） — What's in these ?

   — Some coats.

5. （3） We use the computer our homework.
7. （4） Linda on the computer and plays games.
9. （5） your document after you finish writing it.