89. _____ (understand) the effects of apartheid it is necessary to think of the daily lives of the people.

　　90. The domestics can have their passports removed， _____ (make) leaving or "escaping" virtually impossible.

　　91. Miss Hannah Arent was the first person _____ (define) the difference between work and labor.

　　92. I would rather he _____(buy)the house next year.

　　93.They demanded that the right to vote _____(give)to every adult person.

　　94.The manager told us to be friendly to the visitors as if we _____ (meet) them before.

　　95.If it hadn't been for your help, we _____ (be) in real trouble.

　　96.If you had come earlier, you _____ (not miss) the first act of the play.

　　97.He would have given you more help, if he _____ (not be) so busy.

　　98. I would recommend that you _____ (think) about doing something similar for yourself.

　　99. She treats me as if I _____ (be) a stranger.

　　100. It‘s time something _____ (do) about the traffic problem downtown.

　　101. It was imperative that students _____ (finish) their papers before July 1st.

　　102. It is high time that we _____ (take) firm measures to protect our environment.

　　103. Had he been treated well, he _____ (get over) this disease.

　　104. If only the board _____ (approve) the proposal and put it into effect.

　　105. If thalidomide _____ (invent) today, it would never be released for human use because new tests on pregnant animals would reveal the dangers.

　　106. He _________(write) her 10 letters since he met her last years.

　　107. I think it necessary for him ________ (finish) the work in time.

　　108. The house is ______ (complete) before his brother's wedding ceremony.

　　109. You had better ________ (bring) enough money with you.

　　110. If I hadn't listened to you, I would _______ (make) such a silly mistake.

　　111. The three players repeatedly denied ________ (take) any drug.

　　112. People who are entitled to ________ (vote) should be over eighteen.

　　113. If she ______(catch) the 10 O'clock train, she can get there by lunch time.

　　2. 从句

　　———定语从句,名词从句和状语从句

　　1.It was there, the police believe, _____ she was able to activate the recorder she kept in her bag.

　　A. until B. which C. that D. when

　　2.It is not yet known _____ computers will one day have vision as good as human vision.

　　A. whether B. if C. that D. how

　　3.Such attitudes amount to a belief _____ leisure can and should be put to good use.

　　A. which B. if C. whether D. that

　　4. Many of us visited the industrial exhibition, , to our disappointment, we saw very few high-tech (高技术) products.

　　A. where B. which C. as D. that

　　5. On the other hand concern is also growing about the possibility of a new economic order _____ resource-rich nations of the Third World would combine to set high commodity prices.

　　A. which B. what C. that D. in that

　　6.Studies have shown _____ teenagers often suffer from depression.

　　A. that B. which C .in which D. in that

　　7. It is becoming increasingly clear to policy-makers schools cannot solve all the problems of the larger community.

　　A. that B. what C. when D. who

　　9. There is no doubt _____ a large number of people have benefited from heart surgery.

　　A. what B. of C. if D. that

　　10. Such people _____ you describe are nowadays.

　　A. as B. that C. who D. which

　　11. Was it in that school _____ he developed his interest in physics？

　　A. which B. from which C. where D. that

　　12. Why do you blame him for his poor judgment on the matter _____ he really needs is encouragement？

　　A. when that B. since that C. when what D. now that

　　13. _____, I couldn't get a job in this company.

　　A. Try as I might B. As I might try C. Try though I might D. I might try

　　14. It is a well-known fact ____ a person will move in a circle when he cannot use his eyes to control his direction.

　　A. that B. if C. when D. whether

　　15. Very few people understood this contract, _____was very obscure.

　　A. the language B. the language of which C. all it said D. which it had said

　　16. Management often works hard to set up a situation _____work is done in series.

　　A. that B. where C. which D. what

　　17. Although Tom is satisfied with his academic achievement, he wonders ____will happen to his family life.

　　A. it B. that C. what D. this

　　18. We cannot leave this tough job to a person _____.

　　A. who nobody has confidence B. in whom nobody has confidence

　　C. for whom nobody has confidence D. who everyone has confidence of

　　19. Six out of every ten prisoners in chains are black, which is _____ the chain gangs call up images of slavery in centuries gone by.

　　A. where B. when C. what D. why

　　20.Robots differ from automatic machines _____ after completion of one specific task, they can be reprogrammed by a computer to do another one.

　　A. so that B. in which C. given that D. in that

　　21. His name will be crossed out from the list _____ he makes the same mistake again.

　　A. if B. unless C. because D. though

　　22. Five minutes earlier, _____we may have caught the gunman.

　　A. and B. but C. or D. so

　　23. _____ I'm supposed to work by myself, there are other people who I can interact with.

　　A. If only B. So long as C. Even if D. As far as

　　24. We hope that all the measures against sandstorms, _____ was put forward by the committee, will be considered seriously at the meeting .

　　A. while B. after C. since D. as

　　25. You are the best for the job _____ you apply your mind to it.

　　A. until B. if only C. in case D. unless

　　26. Einstein claimed that matter and energy are interchangeable, _____ there is no "absolute" time and space.

　　A. so that B. even if C. in case D. in order

　　27. In a sense, men of this kind begin not so much with a musical theme _____ with a completed composition.

　　A. but B. than C. as D. that

　　28. You must push away the many temptations that are always present _____ your schedule is useless.

　　A. and B. but C. or D. for

　　3. 比较级和最高级

　　1. The more time you waste, the _____(easy)it is to continue wasting time.

　　2.The _____ (far)away we get from the earth, the thinner the air becomes.

　　3.The greenest and _____ (plentiful) leaves are the leaves of grasses living all over the world.

　　4.We know that we are getting even older, and that the nearer a society approximates to zero population growth, the _____ (old) its population is likely to be.

　　5.Large or fat people who want to look _____(small)than they are usually wear dark clothes.

　　6. As Jane was the _____ (old), she looked after the other children in the family.

　　7. The effect of rapid travel on the body is actually far _____ (disturb) than we realize.

　　8. The _____ (far) away we get from the earth, the thinner the air becomes.

　　9.He was unable to sit still for _____ (long) than a few minutes.

　　10.The more stress you are under, _____ (likely) you are to catch a cold.

　　11. Is this because pupils from Britain's private schools are more intelligent than those from state schools, or are they simply _____ (well) prepared？

　　12. They are too easily regarded as evaluated certainties rather than as _____ (raw) of raw materials crying to be processed into the texture of logic.

　　13. The _______ (good) he feels, the more work he will do.

　　4. 词形转换

　　1.The continuing professional education of _____ (high) educated adults will become a third level in addition to undergraduate and professional or graduate work.

　　2.The explorers were puzzled over what to do next because they were in a _____ (trick) situation.

　　3.These electric appliances are all similar in construction but each one is _____ (specialize) in its function.

　　4. The child was playing _____ (danger) near the edge of the swimming pool.

　　5.We would like to take this opportunity to express our sincere _____(appreciate)of your help.

　　6.Robots, becoming ___(increase)prevalent in factories, are programmed and engineered to do more jobs.

　　7.The author of the text expresses a strong _____(disapprove)of working on and off frequently.

　　8. The government has taken measures to reduce the total energy ______(consume).