102.（ ）fire, all exits must be kept clear.

23.I can（）you that the cats are well cared for in our pet store, so you needn’t worry about them.

22.The police are trying to find out the（ ）of the bank robber.

21.Before the final examination, some students have shown（ ）of tension.

20.The judge（ ）the murderer to twenty years in prison.

19.They say the new film is a(n)（ ）picture so they won’t go to see it.

18.If you want to see the chairman of the department, you’d better make an（ ）with his secretary first.

17.A good teacher always tries to（ ）students to ask question.

16.He has（ ）much time and energy for his invention.

15.For the sake of his mother’s health, he decided to move to a warmer ( ).

14.The doctor tried to do some experiments to find out the （）of the medicine.