3. Next year George will visit his old friend Marc in London.

　　　　 → Next year Marc 　　　　　　　　　　　　by his old friend George in London.

2. The little boy whose father is a famous doctor broke the window.

　　　　 → The window 　　　　　　　　by the little boy whose father is a famous doctor.

二、把下面主动语态的句子改为被动语态，每空填一个单词。

1. They speak English and French at this small hotel in the town.

　　　　 → English and French 　　　　　　　　at this small hotel in the town.

15. There are so many kinds of cameras on sale that Lily can’t make up her mind which 　　　　(buy).

14. Look! The big white cat seems 　　　　(eat) something delicious in the apple tree.

13. Lucy is known 　　　　(work) on the problem for more than five years.

12. I’m sorry 　　　　(give) you so much trouble when I was sick at home.

11. It is a great honor 　　　　(invite) to Diana’s birthday party.

10. Would you like 　　　　(have) dinner with me one evening next week?

9. It is necessary for you 　　　　(turn) off your computer when you do not use it.