1. Since the earth's crust is much thicker under the continents, equipment would have to be capable of drilling through 100,000 feet of rock to investigate the mantle ________ .
2. Drivers should look very carefully ________ onto the main street.
3. The professor's daughter taught ________ to play the guitar.
4. The people of Western Canada have been considering ________ themselves from the rest of the provinces.
5. The greater the demand, ________ the price.
6. Many plants can grow in water, without any soil, ________ nutrients are added.
7. The teacher suggested that her students ________ experiences with ESP.
8. It was not until she arrived in class________ realized she had forgotten her book.
9. The Louisiana Territory, an area ________ the size of France, was bought by the United States from France for $15,000,000 in 1803.
10. Although one of his ships succeeded in sailing all the way back to Spain through the Cape of Good Hope, Magellan never completed the first circumnavigation of the world, and ________.
11. ________ "cultural diffusion" refers to the spread of customs or practices from one culture to another.
12. Amniocentesis can be used not only to diagnose fetal disorders ________ the sex of the unborn child with 95 percent accuracy.
13. The adder is a venomous snake ________ bite may prove fatal to humans.
14. ________ of the Stamp Act in 1865 provoked strong opposition among the American colonists.
15. An elephant can lift ________ a ton with its tusks.
16. The human brain ________ only two percent of an adult's body weight.
17. Chemists are not sure ________ .
18. In the 1960s, pop art ________ to discover artistic significance in the commercial artifacts of the consumer culture.
19. Nestled along the shoreline of Hudson Bay ________.
20. Glass that has been tempered may be up to ________.
1. When Henry arrived home after a hard day at work, ________.
2. Kitchen appliances called blenders became ________ in the 1930s, when Stephen J. Poplawski developed a machine that excelled at making his favorite drink.
3. Sometimes ________ wears people out and is worse than the lack of sleep itself.
4. John said that no other car could go ________.
5. The attorney told his client that ________.
6. Doctoral students who are preparing to take their qualifying examinations have been studying in the library every night ________ the last three months.
7. The Internal Revenue Service ________ their tax forms by April 15 every year.
8. ________ pitched his first major-league game, Joe Nuxhall was only fifteen years old.
9. ________ occasions for congratulations.
10. _______, he would have signed his name in the corner.
11. There is evidence to suggest that, at certain times of the year, smog in the Arctic is thicker ________ anywhere else on earth.
12. The speaker is ________.
13. Sedimentary rocks are formed below the surface of the earth ________ very high temperatures and pressures.
14. In his inaugural speech, John Kennedy ________ that we should not ask what our country could do for us but what we could do for our country.
15. There are three kinds of solar eclipses: one is total, another is annular, and ________ .
16. Keynes argued that to avoid an economic depression the government ________ spending and lower interest rates.
17. A hero of the war of 1812, ________ President of the United States.
18. The various types of bacteria are classified according to ________ shaped.
19. Franchising offers many advantages to small business owners ________ problematic.
20. Jane changed her major from French to business ________
1. Almost everyone fails ________ on the first try.
2. Van Gogh's "Sunflowers" ________ $39.9 million, three times the previous record.
3. ________, human beings have relatively constant body temperature.
4. Alfred Adams has not ________.
5. This year will be difficult for this organization because ________.
6. The fact that space exploration has increased dramatically in the past thirty years ________.
7. ________ is necessary for the development of strong bones and teeth.
8. Frost occurs in valleys and on low grounds ________ on adjacent hills.
9. ________ the fifth largest among the nine planets that make up our solar system.
10. Only rarely ________ neuroses leave a person unable to function in everyday situations.
11. Anxiety about uncontrollable situations is thought to cause ________.
12. Most stores in large American cities close ________ five or six o'clock on weekdays, but the malls in the suburbs stay open much later.
13. Since more than 50 percent of all marriages in the United States end in divorce, about half of the children in America must ________ in single-parent homes.
14. ________ is an ancient source of energy.
15. Charlie Chaplin was a comedian ________ was best known for his work in silent movies.
16. In a parliamentary system, it is not the monarch but the prime minister ________ .
17. Geomorphology is the study of the changes that ________ on the surface of the earth.
18. In New England ________ picturesque fishing villages and manufacturing towns.
19. ________ all citrus fruit originated with the Chinese orange.
20. Most Americans don't object ________ them by their first names.
1. The evolution of vertebrates suggests development from a very simple heart in fish to a ________ in man.
2. She didn't know ________ when his boss called.
3. John's score on the test is the highest in the class; ________.
4. North Carolina is well known not only for the Great Smoky Mountains National Park ________ for the Cherokee Indian settlements.
5. After the assassination attempt, President Reagan's doctor suggested that he ________ a short rest at Camp David.
6. When sugar ________ to yeast, fermentation takes place.
7. A good student must know________
8. Richard was asked to withdraw from graduate school because ______
9. Once an offending allergen has been identified ________ tests, it is possible for the doctor to give specific desensitizing injections.
10. One of Shaw's ________, "Pygmalion", was the story that formed the basis for the musical play "My Fair Lady".
11. Not only ________ atoms with their microscopes, but they now can also "feel" them with the aid of a versatile sensing device called the "magic wrist."
12. Groups of tissues, each with its own function, ________ in the human body.
13. The Immigration and Naturalization Service often ________ their visas if they fill out the appropriate papers.
14. It is necessary ________ the approaches to a bridge, the road design, and the alignment in such a way as to best accommodate the expected traffic flow over and under it.
15. ________, the outer layer of the skin, contains pigments, pores, and ducts.
16. Rarely ________ acorns until the trees are more than twenty years old.
17. Children usually turn to their parents rather than ________ for protection from threats in the environment.
18. Malaria, which can be fatal if left untreated, is transmitted by the female, ________ by the male, mosquito.
19. Indiana University, one of the largest in the nation, is located ________ town.
20. ________ the best car to buy is a Mercedes Benz.
