1. The book was written by Lu Xun. （改为主动语态)  

     Lu Xun         the book.            

2. The shoes are made by my mother. (改为否定句)    

    The shoes                       by my mother.  

3. The students wear the school clothes a lot. (改为被动语态)       

    The school clothes                     a lot by the students.            

4. The pens are used for writing words. (改为主动语态)  

    People                    for writing words.            

5.The thief caught by a policeman just now was taken into the police car. (改为同义句)  

   The thief                                by a policeman just now was taken into thepolice car.

1. 我们很高兴，因为2008年奥运会在北京举行。
   We were happy that the 2008 0lympic Games _____ _____ _____ in Beijing.
2. 贼已经被警察抓住了。
   The thief _____ _____ _____ by the policeman already.
3. 学生们被告知不要玩电脑游戏。
   Students _____ _____ not to play computer games.
4. 这张照片是10年前照的。
   The picture____ _____ 10 years ago.
5. 必须采取一些举措来应对环境问题。
   Something _____ _____ with the problem of pollution.

1. —You shouldn't shake hands with her. You should bow.
    —I'm sorry. I don't know the _____  here.
2. There are lots of _____  in the school. You must obey them.
3. There are many trees on both _____   of the street.
4. The machine doesn't work. Is there_____   wrong with it?
5. He_____  the present yesterday, but he didn't want to accept it.
6. The policemen_____   the thief by the arm.
7. When we were in Shanghai, we took many photos with a _____  .
8. It often rains in England. When you go there you'd better take an _____  .
9. The actor's _____  is very wonderful. We are interested in it.
10. You can buy this medicine in a _____  .