Not everyone believes that ..................technology has improved .................. quality of people's lives. 

After searching for evidence in the house, the police concluded that the thief must have come in through the window and stole the property while the family was asleep.

Before television became so popular, Americans used to entertain each other in the evening by playing games, saying stories, and singing songs.

The bold way in which Margaret Mead defined the terms “family” – based as much on choice as on biological relationship – is possibly the most enduring of her legacies

These engines used being started by hand. But now they are started by electricity

This time last year, I was cycling under the rain along a country road in France with a friend of mine

Choose the best option:

Certain chemicals have been banned because of their damaging effect on the environment.

Her application for a visa was turned down not only because it was incomplete and incorrectly filled out but also because it was written in pencil.

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If I am 10 centimeters taller, I would play basketball. 

As the plane went more faster down the runway, David began to sweat nervously.

Choose the correct answer to complete the sentence. "Planting trees can contribute to _____ global warming"

Because the tachinid fly is a parasite of harmful insects, much species have been imported into the United States to combat insect pests.

To survive , most birds must eat at least half their own weigh in food every day

He scored so good a goal that a wild cheer raised from the stands.

After driving for twenty miles, he suddenly realized that he has been driving in the wrong direction.

The Gray Wolf, a species reintroduced into their native habitat in Yellowstone National Park, has begun to breed naturally there.

I work in a large office with about thirty other people, most of whom I know quite well enough.

Salt was once too scarce and precious that it was used as money.

Chicago’s Sears Tower, now the taller building in the world, rises 1,522 feet from the ground to the top of its antenna.

From 1905 to 1920, American novelist Edith Wharton was at the height of her writing career, publishing of her three most famous novels.

Every year, thousands of tourists visit ……... Nile River.