GMAT Sentence Correction

Question 1

a recent survey has revealed that within the last ten years, many working mothers had chosen to work part time, rather than place their children in daycare full time.

Answer 1

a recent survey has revealed that within the last ten years, many working mothers have chosen to work part time, rather than place their children in daycare full time.

The verb had chosen is in the past perfect tense, which indicates that the action was started and ended in the past. However, the sentence describes a situation that is continuing into the present, and possibly in the future. Therefore, the present perfect tense is required. Have chosen

Question 2

Never before had the author used as much sarcasm as he had used in his fifth novel.

Answer 2

Never before had the author used as much sarcasm as he used in his fifth novel.

Question 3

by the time scientists discover a way to stop the ozone layer from deteriorating, global temperatures will be rising for over two hundred years, causing the polar ice caps to gradually melt.

Answer 3

by the time scientists discover a way to stop the ozone layer from deteriorating, global temperatures will have been rising for over two hundred years, causing the polar ice caps to gradually melt.

Question 4

While Paul Revere rode from Lexington to Concord on the last leg of his famous journey, John and Sam, wanted for their treacherous comments against the British monarchy, had escaped Lexington by foot.

Answer 4

While Paul Revere rode from Lexington to Concord on the last leg of his famous journey, John and Sam, wanted for their treacherous comments against the British monarchy, escaped Lexington by foot.

Question 5

If the botanist was right, the plant’s failure to produce buds is caused by something other then …

Answer 5

If the botanist is right, the plant’s failure to produce buds is caused by something other then …

Question 6

Scientists have predicted that the sea level will have risen 50 centimeters by the year 2100 if the polar ice caps continue to melt at the rate they are melting now.

Answer 6

Scientists have predicted that the sea level will rise 50 centimeters by the year 2100 if the polar ice caps continue to melt at the rate they are melting now.

Question 7

Most literary critics believe that had her father not died during her childhood, Sylvia Plath was less prone to depression and suicide.

Answer 7

Most literary critics believe that had her father not died during her childhood, Sylvia Plath would have been less prone to depression and suicide.

Question 8

The Goodyear Blimp will provide aerial footage of the car race, which occurs just fifteen miles from its airbase in Ohio, for as long as the race is sponsored by the company.

Answer 8

The Goodyear Blimp will be providing aerial footage of the car race, which occurs just fifteen miles from its airbase in Ohio, for as long as the race is sponsored by the company.
The sentence indicates that the aerial coverage will continue into the future until an unknow point . This sort of statement requires a future progressive verb.

Question 9

Hospitals have always been thought of as a place for the sick and dying so many people avoid them, even for preventative medicine,

Answer 9

Hospitals have always been thought of as a places for the sick and dying so many people avoid them, even for preventative medicine,

Question 10

Everyone of the soldiers reoprted that they had completed the training exercise prior to the incident, althought the lieutenant claimed several members of the squadron were not present.

Answer 10

Everyone of the soldiers reoprted that he or she had completed the training exercise prior to the incident, althought the lieutenant claimed several members of the squadron were not present.

Question 11

A few of the nurses from the emergency room were disgruntled to learn that he or she had been moved to another area of the hospital due to the budget crisis.

Answer 11

A few of the nurses from the emergency room were disgruntled to learn that they had been moved to another area of the hospital due to the budget crisis.

Question 12

Counting each of the nine planets and their many moons, there is 162 known and accepted celestial bodies in our solar system.

Answer 12

Counting each of the nine planets and its many moons, there is 162 known and accepted celestial bodies in our solar system.

Question 13

As a result of reality television shows such as Amarican Idol, many aspiring rock stars that would never have had the means to pursue their dreams now have become major celebrities.

Answer 13

As a result of reality television shows such as Amarican Idol, many aspiring rock stars who would never have had the means to pursue their dreams now have become major celebrities.
Trick 2 - you would see that whom is incorrect when him is substituted into him would never have had the means.

Question 14

Looking at written warnings, actual citations, and evenarrest records, it is evident that releasing tagged fish is still a driving force behind the DNR’s monitoring of the waterways, like that of other state agencies.

Answer 14

Looking at written warnings, actual citations, and evenarrest records, it is evident that releasing tagged fish is still a driving force behind the DNR’s monitoring of the waterways, as it is for other state agencies.

Question 15

Although I own the band’s album, I have never seen them in concert.

Answer 15

Although I own it’s album, I have never seen the band in concert.

Question 16

During WW2, the French strategy for protection was a wall of staggered forts and lookout points called the Maginot Line, but its weakest section ultimately led to their invasion.

Answer 16

During WW2, the French strategy for protection was a wall of staggered forts and lookout points called the Maginot Line, but its weakest section ultimately led to France’s invasion.

Question 17

Real estate analysts have foound home prices have nearly doubled in the last ten years in the Southern California market, which is consistent with the increases in population and inflation there.

Answer 17

Real estate analysts have foound home prices have nearly doubled in the last ten years in the Southern California market, research consistent with the increases in population and inflation in the area.

Question 18

The company, known for its benevolence and community-involvement, has done over 100 to charity over last twenty years and will continue to do it as long as it’s financially able.

Answer 18

The company, known for its benevolence and community-involvement, has done over 100 to charity over last twenty years and will continue to do so as long as it’s financially able.

Question 19

Because her mother was unable so support a family, Marilyn spent the first seven years of her life with a couple who became foster parents to supplement their income.

Answer 19

Because her mother was unable so support a family, Marilyn spent the first seven years of her life with a couple who became foster parents to supplement their income.

Question 20

From 1995 to 1999 the posted speed limit on Montana’s highways was “reasonable and prudent”, meaning their drivers could travel at speeds in excess of 80 mph when road conditions were good.

Answer 20

From 1995 to 1999 the posted speed limit on Montana’s highways was “reasonable and prudent”, meaning drivers could travel at speeds in excess of 80 mph when road conditions were good.

Question 21

The main tourist attraction in London, a rather tiny village wast of london, is the surprising large abbey; built in the seventh century.

Answer 21

The main tourist attraction in London, a rather tiny village wast of london, is the surprisingly large abbey; built in the seventh century.

Question 22

The botanis was pleased to see that much of the recently planted and heavily fertilized fllowers were in bloom.

Answer 22

The botanis was pleased to see that many of the recently planted and heavily fertilized fllowers were in bloom.

Question 23

Although the are had little traffic and pedestrians, the developerss were convinced that the restaurant should be opened in the district.

Answer 23

Although the are had little traffic and few pedestrians, the developerss were convinced that the restaurant should be opened in the district.

Question 24

According to the Georgia Lottery Corporation, lottery tickets will be disqualified that do not contain the store numebr and encoded ink skip.

Answer 24

According to the Georgia Lottery Corporation, lottery tickets that do not contain the store numebr and encoded ink skip will be disqualified .

Question 25

Although most Americans believe that the Emancipation Proclamation was enacted to end slavery, Abraham Lincoln truly intended for the document should preserve the Union.

Answer 25

Although most Americans believe that the Emancipation Proclamation was enacted to end slavery, Abraham Lincoln truly intended for the document to preserve the Union.

Question 26

For Stegosaurs, a dinosaur from Jurassic Period, the seventeen bony plates embedded in its back were necessary elements for survival, to regulate its temperature and to protect it .

Answer 26

For Stegosaurs, a dinosaur from Jurassic Period, the seventeen bony plates embedded in its back were necessary elements for survival,used to regulate its temperature and to protect it .
In this sentence the infinitives to regulate and to protect have nothing to modify.

Question 27

Despite winning multiple Grammys for his jazz recordings, Harry Connick, decided to experiment with funk in mid-nineties, before returning to jazz later that decade.

Answer 27

Despite winning multiple Grammys for his jazz recordings, Harry Connick, decided to experiment with funk in mid-nineties, before returning to jazz later that decade.
The sentence is grammatically. The infinitive to experiment correctly modifies decided, and returning to a jazz, a participle from of to return.

Question 28

Since the teacher introduced the classroom reward system, students have begun paying closer attention, completing homework, following directions, and have stopped causing disruptions during lessons.

Answer 28

Since the teacher introduced the classroom reward system, students have begun paying closer attention, completing homework and following directions, and have stopped causing disruptions during lessons.
When series is sturted it must to be joined by a concjunction in the end

Question 29

Global warming has already made the Hudson River a seeming fragile ecosystem

Answer 29

Global warming has already made the Hudson River a seemingly fragile ecosystem

Question 30

Like most desks at work, Spence has his laden with pictures of his family

Answer 30

Spence’s desk, like most desks at work, is laden with pictures of his family.

Question 31

Americans have a difficult time understanding the inability to inmprove one’s status under a feudal society, but feudalism’s hierarchal system is much more rigid than a democracy.

Answer 31

The illogical comparison in this sentence is a hierarchal system to a democracy, or rigid to a democracy. It’s evident that the autor intends to compare feudalism’s hierarchalsystem to democracy’s hierarchal system.
……. Is much more rigid than that of a democracy

Question 32

The sixth Harry Potter book, by British author J.K. Rowling, sold a record 8.9 million copies in the first 24 hours it was on sale- morethan any author to date.

Answer 32

The sentence illogically compares copies to authors. A pronoun is needed to logically compare copies by JK to copies by any other author. The pronoun those and preposition by create a parallel.

Question 33

The new employee will be responsible for filing paperwork, answering phones, and will take new orders.

Answer 33

The new employee will be responsible for filing paperwork, answering phones, and taking new orders.

Question 34

Behaviorists agree that how a teenage boy dresses and his performs in athletics contribute to his degree of popularity.

Answer 34

Behaviorists agree that how a teenage boy dresses and how he performs in athletics contribute to his degree of popularity.

Question 35

The HR department looked at the program that would coverd all procedures, including laser surgery,and if employees paid out-of pocket expenses they would be reimbursed.

Answer 35

The HR department looked at the program that would coverd all procedures, including laser surgery,and reimburse employees who paid out-of-pocket expenses.

Question 36

Despite their intimidating size Danes are easy to groom, extremely gentle, and are loyal to their owners.

Answer 36

Despite their intimidating size Danes are easy to groom, extremely gentle, and loyal to their owners.