根据句意、首字母或汉语提示完成句中所缺的英语单词。

1. I think this book must b           to Ann.

2. The climber slipped and d            to his death.

3. We are next-door n            . We get on well with each other.

4. I have an a           with my boss at 11:00.

5. She seems very w            about something.

6. Jack is worried about the coming          (最后的) exam.

7. The glass          (掉) on the floor and broke into pieces.

8. I          (数) all the students, there were sixty one.

9. The black dog likes           (追逐) cats.

10.The two thieves have           (逃跑) already.