3.　　　 I borrowed the book half an hour ago. (同义句)

I ________ _______ the book for half an hour.

2.　　　 John will go to bed after he finishes his homework.(同义句)

John _______ go to bed ______ he finishes his homework.

1.　　　 他是世界上最著名的发明家之一。

He was one of the _______ _________ _______ in the world.

21. It seemed that Tom was angry because you didn’t listen to his warning.

　 Tom seemed ________ ________ angry because you didn’t listen to his warning.

20. Shall we drive to the park? (同义句)

　 ________ _______ _________ to the park?

19. The four boys did their best to win the first place. (同义句)

　 The four boys _______ their best to win the first place.

18. Let us play games, _______ ________ (反意问句)？

17. Don’t smoke here, ________ ________ (反意问句)？

16. Who will win the silver medal? Could you tell me? (合并)

　 Could you tell me _______ ______ ________ the silver medal?

15. 你还有别的事要说吗？

　 Do you have ________ _______ ______ _________?