A smile can be observed, described, and reliably identify; it can also be elicited and manipulated under experimental conditions.

It was suggested that he studies the material more thoroughly before attempting to pass the exam. (underlined part that needs correction)

Some methods to prevent soil erosion are plowing parallel with the slope of hills, to plant trees on unproductive land, and rotating crops. (underlined part that needs correction)

Marco Polo’s account of his travels has been invaluable to historians.

Satish’s point of view was correct but his behavior with his father was quite impertinent. (underlined words OPPOSITE in meaning with)

Kenny asked for permission to smoke, but his colleague couldn’t put up with the smoke.

Hana and Jenifer are talking about a book they have just read.

We found the bad weather very inconvenient. We chose to find a place for the night.

She tried very hard to pass the driving test. She could hardly pass it.

She simply took it for granted that the check was good and did not ask him any questions about it.

Juan Manuel Santos was awarded the Nobel Peace Prize 2016 for his resolute efforts to bring the country’s more than 50-year-long civil war to an end. (underlined words CLOSET in meaning with)

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

Thunderstorms, with their jagged bursts of lightning and roaring thunder, are actually one of nature’s primary mechanisms for transferring heat from the surface of the earth into the atmosphere. A thunderstorm starts when low-lying pockets of warm air from the surface of the earth begin to rise. The pockets of warm air float upward through the air above that is both cooler and heavier. The rising pockets cool as their pressure decreases, and their latent heat is released above the condensation line through the formation of cumulus clouds.

I know we had an argument, but I know I’d quite like to ______.

It is vital that everyone ______ aware of the protection of the environment.

My uncle was ______ ill last summer; however, fortunately, he is now making a slow but steady recovery.

All of her sons joined the army when the war broke ______.

This is the second time you ______ your door key.

Her fiance is said ______ from Harvard University five years ago.

This is ______ the most difficult job I’ve ever had to do.

The number of higher education ______ has risen this year for the first time in more than a decade.

Not until 1856 ______ across the Mississippi River.

At first sight I met her, I was impressed with her ______ eyes.

______ the film’s director, Ben Affleck, was famously left off the 85^th Oscar’s Best Director list of nominees surprised everyone.

I love this painting of an old man. He has such a beautiful ______ smile.

Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.

Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.

Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.

Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.

Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.

Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.

Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.

Choose the word that has different pronunciation: private, marriage, romantic, attract.

Last year, there were millions of international tourist arrivals across the globe. Whether they were students on their (41)______ years looking for overseas adventure, stressed-out workers hoping to get away for a weekend, or retirees (42)______ to relax in an exotic location- clearly none of them thought they could find the same experience at home. The question is whether foreign travel brings more advantages or disadvantages.

Last year, there were millions of international tourist arrivals across the globe. Whether they were students on their (41)______ years looking for overseas adventure, stressed-out workers hoping to get away for a weekend, or retirees (42)______ to relax in an exotic location- clearly none of them thought they could find the same experience at home. The question is whether foreign travel brings more advantages or disadvantages.

Last year, there were millions of international tourist arrivals across the globe. Whether they were students on their (41)______ years looking for overseas adventure, stressed-out workers hoping to get away for a weekend, or retirees (42)______ to relax in an exotic location- clearly none of them thought they could find the same experience at home. The question is whether foreign travel brings more advantages or disadvantages.

Last year, there were millions of international tourist arrivals across the globe. Whether they were students on their (41)______ years looking for overseas adventure, stressed-out workers hoping to get away for a weekend, or retirees (42)______ to relax in an exotic location- clearly none of them thought they could find the same experience at home. The question is whether foreign travel brings more advantages or disadvantages.

Last year, there were millions of international tourist arrivals across the globe. Whether they were students on their (41)______ years looking for overseas adventure, stressed-out workers hoping to get away for a weekend, or retirees (42)______ to relax in an exotic location- clearly none of them thought they could find the same experience at home. The question is whether foreign travel brings more advantages or disadvantages.

Had the advertisement for our product been better, more people would have bought it.

“How beautiful you are today!” he said.

The sooner we solve this problem, the better it will be for all concernd.

Choose the word that has different primary stress: attitude, instinctive, continent, applicant.