1. 用括号内动词的正确形式填空。

1. （1） Hereafter， I want you to keep me (inform) of how things are going with you.
   
3. （2） I saw the man (knock) down and the driver (drive) away.
5. （3） The decision (make) at the meeting tomorrow will influence the future of our school.
7. （4） The stewardess asked all the passengers on board to remain (seat) as the plane was about to land.
   
9. （5） We had a lot of snow last night, so I want to have all the paths (clear) this morning.
   
11. （6） Last night, there were millions of people (watch) the opening ceremony of the Olympic Games live on TV.
13. （7） It is said that Sarah is the (adopt) daughter of a well-known businessman.
    
15. （8） Visitors are often (surprise) to discover how little the town has changed.