He seldom goes to the park, _    ?

The organizers of the charity were more than surprised at how many people lined up to receive the clothes donating by the outdoing mayor.

Many birds will, in the normal course of their migrations, flying more than three thousand miles to reach their winter homes.

Choose the correct answer to complete the sentence. "Having denied the responsibility for the _____ it caused, the factory was forced to close down"

Materials that of clay are among the most ancient manufactured articles and have played a vital role in human civilization.

At the Hermitage, Andrew Jackson’s home in Tennessee, even his glasses have been left exactly where he lay them .

Long prized for its medicine value, ginseng these days has become the most common of energy-boosting drinks particularly for high- performance athletes.

Inventing by Roger Bacon, the magnifying glass led to the creation of other scientific tools which have produced immeasurable scientific progress.

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

Martin Luther King Jr.’s magnificent speaking ability enabling him to effectively express the demands for social justice for Black Americans.

................. money you gave me is not enough to buy ..................bicycle. 

If the lecture ____ so quickly, we’d have understood his speech.

She sighed with relief when she found out that she has passed the difficult test.

Michael has worked in three different companies in three different positions, so he has more work experience than the other applicant’s

Bronze, after being heated by a strong flame, will change color, especially when exposure  to hydrogen .

Pop Art was a movement of the 1950’s and 1960’s whom imagery was based on readily recognized American products and people.

Choose the correct answer to complete the sentence. "Global warming has ______ impact on water supplies."

Mosquitoes will accepts the malaria parasite at only one stage of the parasite’s complex life cycle.

In the 1970’s consumer activities succeeded in promoting laws that set safety standards for automobiles, children’s clothing, and a widely range of household products.

Although ferns lack flowers, they do have leaves, stems, and root.

After driving a car for ten miles, John suddenly realized that he has been driving in the wrong direction