16. _______ I saw you I knew you were angry with me.
A. A moment B. The moment
C. In a moment D. For a moment
17. _______ in government was exposed through the agency of the press.
A. Corruption B. Cosmetic
C. Cottage D. Costume
18. _______ in the dark, his head hit against the wall.
A. Walking B. His walking
C. When he was walking D. While walking
19. _______ is a term for the partial or complete inability to hear.
A. There is deafness B. Deafness that
C. It is deafness D. Deafness
20. _______ is known to the world, Mark Twain is a great American writer.
A. That B. Which
C. As D. It
21. _______ is the center of our planetary system was a difficult concept to grasp in the Middle Age.
A. It is the sun and not the earth
B. Being the sun and not the earth
C. The sun and not the earth
D. That the sun and not the earth
22. _______ it or not, his discovery has created a stir in scientific circles.
A. Believe B. To believe
C. Believing D. Believed
23. _______ kinds of matter in the world.
A. There is a few million
B. That there are millions
C. There are a few million
D. It is millions
24. _______ man can now create radioactive elements, there is nothing he can do to reduce their radioactivity.
A. As B. Whether
C. While D. Now that
25. ______ me, I think an English-Chinese dictionary is much more helpful to our study than an All-English dictionary.
A. As far as B. As far
C. As for D. As regard
26. _______ my return, I learned that Professor Smith had been at the Museum and would not be back for several hours.
A. At B. With
C. On D. During
27. _______ of the burden of ice, the balloon climbed up and drifted to the South.
A. To be free B. To free
C. Freeing D. Freed
28. _______ one time, Manchester was the home of the most productive cotton mills in the world.
A. On B. By
C. At D. Of
29. _______ quite recently, most mothers in Britain did not take paid work outside the home.
A. Until B. Before
C. From D. Since
30. _______ she first heard of the man referred to as a specialist.
A. That was from Stephen
B. It was Stephen whom
C. It was from Stephen that
D. It was Stephen that
