1. She's already done her homework. (改为否定句)
    She____ ____ her homework _____.
2. She has borrowed the book. She borrowed it from the library last week. (改成同义句)
    She ____ ____ the book for a week.
3. I bought the bike ten years ago. (改成同义句)
    I ____ ____ the bike _____ ten years ago.
4. There were few books in the desk, _____ _____? (反意疑问句)
5. It no longer provides a good environment. (改为同义句)
    It                   a good environment                  .
6. You are too young to go to school. (改为同义句)
    You are ____ ____ ____ you can't go to school.
7. I've known him since he came him. (对划线部分提问)
    _____ ____ _____ you known him?
8. There was heavy rain yesterday evening. (改成同义句)
    It _____ _____ last night.
9. My father was a teacher in the past. (改为同义句)
    My father                    be a teacher.
10. I saw the film 2012 just now. (用just做状语)
      I _____ just _____ the film 2012.