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1. So small____ that the most powerful microscope cannot detect them.
A. are these particles
B. were these particles
C. these particles are
D. these particles were
2. _____ on his nerves when he is filling in a complicated form.
A. To such an extent did her bad temper get
B . To a such extent her bad temper got
C. To such an extent her bad temper got
D. To a such extent did her bad temper get
3. Most people would agree that only in exceptional circumstances_____ the truth from the patient.
A. a doctor should hide
B. should a doctor hide
C.a doctor would hide
D. a doctor will hide
4. _____ a certain doubt among the students as to the necessity of the work.
A. It existed B. There existed
C.There had D. Existed there
5.______ ,he would have been able to pass the exam.
A. If he studied more
B. Had he studied more
C. Studying more
D. If he were studying more
6._______ who had arrested him three times for drug-taking.
A. Before George stood the policeman
B.Before the policeman George stood
C.Before George the policeman stood
D.Before the policeman stood the George
7.______, she would not conceal her eagerness for praise.
A. In spite of her clever B. As she was clever
C. Though clever she was D. Clever as she was
8. ______ visiting that city, but we have been too busy.
A. We often have thought of
B. Often we have thought of
C. Often have we thought of
D. Often we did think of
9.______who had been in prison for seven years.
A. In the robbery a man involved
B. Involved a man in the robbery
C. Was a man involved in the robbery
D. Involved in the robbery was a man
10. _____, I must do another experiment.
A. Be it ever so late
B. It is ever so late
C. It be ever so late
D. So late it be ever
11. Flying demands a much greater supply of energy _____other forms of transportation
A. than do most
B. most than do
C. than most do
D. do than most
12. Up went the prices and ______.
A. the living standard came down
B. came down the living standard
C. down the living standard came
D. down came the living standard
13. He believed,______ , that people should start as early as possible to look at the world and nature and to think about what they saw.
A. as does his mother
B. as his mother does
C. as did his mother
D. his mother as did
14. ______where we can have Chinese food.
A.Next to it another restaurant is there
B.Next to it another restaurant stands
C.Next to it does another restaurant stand
D.Next to it is another restaurant
15._______ you have to think about it before answering.
A. Though this question may simple
B.Simple though this question may
C.Simple though this question may be
D. May this question though be
16.______both sides accept the agreement_____ a lasting peace be established in this region.(-50)
A. Only if, will
B. If only, would
C. Should, will
D. Unless, would
17.Home is home,______ ever so homely.(1992-52)
A. it is B. it were
C. be it D. it be
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