27. The World Cup takes place every four years.

The World Cup __________ __________ every four years.

26. He often took a bus to work in the past.

He _______ to __________ a bus to work.

25. Dr Li did operation on them two days ago.

Dr Li _________ _________ them two days ago.

24. They put off the match because it rained.

They put off the match _________ 　_________ the rain.

根据第一句的意思完成第二句。使其意思相同或相近。 每空限填一个单词。

23. My job is to introduce each pop star to the fans.

__________ my job _________ introduce each pop star to the fans.

22. Most international business letters are ____________(写) in English.

21. The children shouted _____________(激动) when they heard the good news.

20．Many _____________(青少年) don’t understand their parents very well.

19. Please tell us of your ________________(经历) while in Australia.

18. Her ______________(声音) sounds really beautiful on the phone.