1. Radioactive dating is the accuratest method yet devised for determining the age of fossils.
(A) is
(B) the accuratest method
(C) yet
(D) for
2. Despite the metric system is used throughout the world, it is still not commonly used in the United States.
(A) Despite
(B) is used
(C) is still
(D) commonly
3. Fishing have been found to contain a particular type of fat that may help lower blood cholesterol levels.
(A) Fishing
(B) to contain
(C) that
(D) levels
4. The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations.
(A) must be protected
(B) it
(C) from
(D) radiations
5. Until recently, photocopy machines were regarded strict as business and professional office equipment that required a lot of expensive servicing.
(A) Until
(B) were regarded
(C) strict as
(D) that required
6. The best way to eliminate a pest is to controlling the food accessible to it.
(A) The best
(B) to controlling
(C) food accessible
(D) it
7. Because of the long drought citizens were told that it was imperative that in future they will save as much water as possible.
(A) Because of
(B) citizens
(C) will
(D) much
8. My brother is who wrote the spy story upon which the movie we saw was based.
(A) is
(B) wrote
(C) upon
(D) the movie we
9. If protect,a solar cell lasts for a long time and is a good source of energy.
(A) protect
(B) solar
(C) lasts
(D) source of
10. In spite of the inclement weather the tennis tournament went ahead just as the players had started putting their rackets into.
(A) In spite of
(B) the inclement weather
(C) ahead
(D) rackets into.
11. The Alaskan malamute, used extensively for pulling sleds, is closely related about the wolf.
(A) used
(B) for pulling
(C) closely
(D) about
12. The color of the Red Sea is due to a minute alga, or sea plant, whose forms huge patches of a blood red tint.
(A) a minute alga
(B) sea plant
(C) whose
(D) forms
13. The taxi driver told the man to don’t allow his disobedient son to hang out the window.
(A) taxi driver
(B) told the man
(C) to don’t allow
(D) to hang out
14. The congressman, accompanied by secret service agents and aides, are preparing to enter the convention hall within the next few minutes.
(A) by
(B) are
(C) to enter
(D) within the next
15. The regulation requires that everyone who holds a non-immigrant visa reports his address to the federal government in January of each year.
(A) who
(B) holds
(C) reports
(D) his
16. The oxygen content of Mars is not sufficient enough to support life as we know it.
(A) sufficient enough
(B) to support
(C) as
(D) it
17. If the oxygen supply in the atmosphere was not replenished by plants, it would soon be exhausted.
(A) in the atmosphere
(B) was
(C) by plants
(D) be exhausted
18. Because there were so few women in the early Western states, the freedom and rights of Western women were more extensive than Eastern ladies.
(A) Because
(B) so few women
(C) more extensive
(D) than Eastern ladies
19. From 1785 to 1790, the capital of the U.S will be located in New York City.
(A) the
(B) capital
(C) will be
(D) located
20. His roommate is not very clever student but he certainly works very hard indeed.
(A) His
(B) not very
(C) but
(D) hard indeed.