19. She’s going in for the Cambridge First ______________ (证书).

18. They have ______________ (包围) the town with troops.

17. In my estimation, he is a more suitable ______________ (候选人).　

16. The police had the photograph of the missing girl ______________ (放大).

15. Commercial television is an effective ______________ (媒介) for advertising.

14. The leader is losing ground as the rest of the runners ______________ (加速).

13. The car was ______________ (注册) in my name.

12. He is always ______________ (准时的) for appointments.

11. The competition is open to both ______________ (业余的) and professional photographers.

10. She was ______________ (窘迫) when they asked her age.