21. The boy has worked hard all the year, and he ______ ______ (应该) win the prize.

20. He ______ ______ ______(看起来) very tired.

19. "Aussie" is______ ______ (是......的缩写) "Australian".

18. Please be more careful______ ______ ______ (从今以后).

17. I don't______ ______ (同意) what he said.

16. I think this film______ ______ ______ (值得看).

15. The basketball________(play) were tired after the match.

III. 根据汉语意思完成句子，每空一词。(10分)

14. We should find the ________(miss) boy, or his parents will be very worried.

13. It was________(amaze). I like to watch this movie once again.

12. The workers make the machine______ (run) all day.