24. outside/inside the station 在车站外/内
23. all over the world=around the world 遍及全世界
22. of course=sure=certainly 当然
21. happen to sth./sb. 发生(强调偶然性)
例如:What has happened to you?=What’s the matter with you?=What’s wrong with you?
20. take place 发生(强调必然性)
19. ten minutes ago 十分钟前
18. on the playground 在操场上
17. in the city of 在……市
16. for example 例如
15. in history 在历史上