EXERCISE 13 Choose the letter of the word or group of words that best completes the sentence.
- A spacecraft is freed from friction after it is launched into space.
- Because lobsters blend with thaeir surroundings, or they hide in crevices for protection.
- While the shoulder is a ball-and-socket joint, the elbow is a simple hinge joint.
- A car has several sections with moving parts, good lubrication of those parts is essential.
- Bears cannot see well because they have small eyes.
- A land bridge existed at the Isthmus of Panama, so animals were able to migrate between North and South America.
- The empire State Building is mostly made of granite, it also contains some human-made materials.
- Pressure differences make the eardrum vibrate as sound waves enter the ear.
- An optical microscope magnifies as much as 2,000 times, but an electron microscope can magnify as much as million times.
- If scientific estimates are occurate, the Canon Diablo meteorite colliding with the Earth about 20,000 years ago.
EXERCISE 14 Choose the letter of the word or group of words that best completes the sentence.
- The economic activity of the Pueblo Indians centered on intensive agriculture.
- In popular terminology, any long snowstorm with a large amount of wind is called a blizzard.
- Nuciear power can be produced by fusion, it can also be produced by fission.
- If the temperature is high, igneous rocks may be changed into gneisses.
- In 1905, Henry Flafler announced his plants to extend his Florida East Coast Railway out across the sea to key West.
- The sound comes from a vibrating object will be high or low depending on the number of vibrations.
- During the late 1880’s, urban streetcars were electrified through the use of large motors.
- Biscayne National Park encompasses almost 274 square miles, but 96 percent of the park is under water.
- Legislation was passed in 1916 and 1917 gave the Wilson administration authority to intervence in the national economy if it proved necessary.
- Because a family of birds set up hausekeeping in JoelChandler Harris’s mailbox when the birds were in need of a place to stay, so the home was named the Wren’s Nest.
EXERCISE 15 Each of the following sentences contains more than one clause. Underline the subject once and the verb twice. Circle the connectors. Then indicate if the sentences are correct (C) or incorrect (I).
C 1. It is unfortunate that the meal is not ready yet.
I 2. She told me when should pick her up.
I 3. The instructor explained where was the computer lab located.
C 4. We could not believe what he did to us.
I 5. Do you want to know if it going to rain tomorrow?
C 6. We never know whether we will get paid or not.
I 7. This evening you can decide what do you want to do.
I 8. The manager explained how wanted the work done.
C 9. The map showed where the party would be held.
I 10. Can you tell me why was the mail not delivered today.
EXERCISE 16 Each of the following sentences contains more than one clause. Underline the subject once and the verb twice. Circle the connectors. Then indicate if the sentences are correct (C) or incorrect (I).
C 1. The teacher heard who answered the question.
I 2. I do not understand what it went wrong.
C 3. Of the three movies, I can’t decide which is the best.
I 4. She did not remember who in her class.
I 5. No one is sure what did it happen in front of the building.
C 6. We found out which was her favorite type of candy.
C 7. Do you know what caused the plants to die.
C 8. I am not sure which it is the most important course in the program.
C 9. We thought about who would be the best vice president.
I 10. She saw what in the box in the closet.
EXERCISE 17 Each of the following sentences contains more than one clause. Underline the subject once and the verb twice. Circle the connectors. Then indicate if the sentences are correct (C) or incorrect (I).
I 1. It doubtful whether he will pass the test or not.
I 2. The group discussed who he should receive the prize.
C 3. It is not certain why the class was cancelled.
I 4. I will do what does it need to be done.
I 5. We forgot when did the movie start.
C 6. I would like to ask if you could come over for dinner this weekend.
I 7. The children knew which the best game to play.
I 8. The advisor informed her that needed to add another class.
C 9. He saw who took the money.
C 10. It is unclear how the window got broken.
EXERCISE 18 Choose the letter of the word or group of words that best completes the sentence.
- Today the true story of what happenend at Little Bignorn remains a mystery.
- For more than a decade, bird-whatches have warned that certain species are becoming scarce.
- Early in the eighteenth century, Halley accurately predicated when the comet of 1682 would return.
- No single factor explains why aging has an effect vary so greatly among individuals.
- Lack of clarity about who will lead the party in the coming year will be removed at the party’s convention.
- We do not know whether the bow drill was first developed for woodworking or fire making.
- Minute Man National Histotical Park is a monument to where the beginning of the Revolutionary War.
- Tests on the colors of cars were conducted at the University of California to determine which the safest colors for cars.
- The National Institute of Dental Research estimates for school children in fluroridated areas have about 25 percent less tooth decay than children elsewhere.
- The process of photosynthesis explain how with green plants are able to use the energy in sunlight to manifacture foods from the simple chemicals in air and water.
EXERCISE 19 Choose the letter of the word or group of words that best completes the sentence.
- Air near the equator to have a faster west-to-west motion than air farther from the equator.
- About 4000 B.C., humans discovered that the ability of metalic obtained from special rocks called ores.
- In the degradation of DNA quickly after an animal dies.
- Improvement aerodynamic design has contributed a major part ia reancing resistance to motion.
- The southern part of Florida is much warmer in the winter than the northern part, so more touring flocks to the south.
- The Moon’s gravity pulls water on the near side of the Earth toward the Moon, and this is what causing tides to occur.
- As glaciers move, they pick up fragment of rock which become frozen into the base of the ice.
- Tha tape measure first evolved from the chains measure used by the Egyptians.
- A typical Atlantic hurricane starts as a low pressure system near the African coast.
- It is not clear whether the subdivisions of the neocortex are individual units.
EXERCISE 20 Each of the following sentences contains more than one clause. Underline the subject once and the verb twice. Circle the connectors. Then indicate if the sentences are correct (C) or incorrect (I).
C 1. I did not believe the story that he told me.
I 2. Ms. Brown, whom did you recommend for the job, will start work
I 3. The lecture notes which lent me were not clearly written.
C 4. Sally has an appointment with the hairdresser whom you recommended.
I 5. The phone number that you gave me.
I 6. She is able to solve all the problems which did she cause.
C 7. The day that she spent on the beach left her sunburned.
I 8. Next week I am going to visit my cousins, whom have not seen in several
I 9. Did you forget the promise whom you made?
C 10. The teacher whom the students like the most is their history teacher.
EXERCISE 21 Each of the following sentences contains more than one clause. Underline the subject once and the verb twice. Circle the connectors. Then indicate if the sentences are correct (C) or incorrect (I).
C 1. The children that were vaccinated did not get sick.
I 2. I did not vote for the politician who he just won the election.
C 3. The dog that barking belongs to my neighbor.
C 4. I took two of the blue pills, which were very effective.
I 5. We rented an apartement from the landlord who does he own the buildings
on Maple Street.
C 6. She forgot to attend the meeting which it began at 11.00
C 7. Any student who does not turn in the paper by Friday will fail the class.
I 8. The people which came in late had to sit at the back
C 9. The courses that satisfy the graduation requirements they are difficult.
C 10. After dinner she went to visit her parents, who were living down the street.
EXERCISE 22 Each of the following sentences contains more than one clause. Underline the subject once and the verb twice. Circle the connectors. Then indicate if the sentences are correct (C) or incorrect (I).
C 1. My sisters prefer to eat food that have cooked themselves.
C 2. The boat that hit the underwater rock sank.
C 3. The car which he was driving could not possibly be his.
I 4. The children built a house in the tree that in the backyard.
I 5. The cost of the trip which we wanted to take.
C 6. The children are playing with the toys which their mother told them to put
C 7. The guests who were seated around the dinner table.
C 8. The students have to read all the chapters which are on the test.
I 9. I really do not like the artists which you like.
C 10. The stoners that they were set in me ring were quite valuable.
EXERCISE 23 Choose the letter of the word or group of words that best completes the sentence.
- Modern humans, who first appeared about 600,000 years ago, were called Homo sapiens.
- The first writing that we have evidence of is on Mesopotamian clay tablets.
- They are succulents drought-resistant plants which store water in fleshy tissue.
- Benjamin Kabelsky, whom knowing most people as Jack Benny, was a famous comedian in vaudeville and on radio and television.
- Dinosaur are known that hunted other animals tended to have very narrow, sharp, curved claws.
- The first eyeglasses had convex lenses for the aged who had become far sighted.
- Chimney Rock, which stands 500 feet above the North Platte River, has eroded considerably in the last two centuries.
- The hormones change that accompany reccuring bouts of severe depression reduce bone density.
- Willa Cather is an author whom readers praise for her evocative and memorable vision of frontier prairie life.
- Mars’s tiny moon Phobos is a small montain of rock that was probably captured from the asteroid belt by Mars’s gravitational pull.
EXERCISE 24 Choose the letter of the word or group of words that best completes the sentence.
- Because of Annapolis is famous as the home of the United States Naval Academy.
- Some scientists think that Pluto might not be a planet but a moon of Neptune.
- With the appearance of sophisticated oil lamps, elaborate tools were made to cut the wicks.
- Fort Union was the site of what being the principal fur-trading post on the upper Missouri River.
- Since moving faces commercial risk, it has to appeal to a large audience to justify its cost.
- A current of water known as the Gulf Stream comes up from the Gulf of Mexico, and then it croses the North Atlantic toward Europe.
- System using the two symbol 0 and 1 are called binary number systems.
- Genes, which are the blueprints for cell construction, exist in tightly organized packages called chromosomes.
- The Earth’s atmosphere consists of gases held in place around the Earth by the gravitational pull of the planet.
- Oscar Hammerstein H collaborated with a number of composers including Jerome Kern, whom was joined in writing the musical Show Boal.