Choose the letter A, B, C or D to complete the sentences. "20 percent of the population had attended college _____had no degree"

One inventor that Thomas Edison take credit for is the light bulb

In our shop, there are different styles in classical music, ............. on when the music was composed.

Choose the correct answer to complete the sentence. "He traveled extensively and used the knowledge gained _____ his travels as the basis for his early novels"

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

As the numeral of older people increases, services for the elderly will soon repre one of the fastest-growing areas  of employment

The amount of books in Library of Congress is more than 58 million volumes.

Mumps are very common disease which usually affects young children.

The skin receives nearly the third of the blood pumped out by heart.

I’m considering  .........  home now.

Industrialist Henry Ford introduced assembly-line techni into the manufactures of motor vehicles 

The artist tried stimulateinterest in painting by taking his students to the museums

Psychologists at the University of Kansas has studied the effects of the color (of a room on people’s behav.

The bite the Black Widow spider can be very inflammatory to the affected nerves that hospitalization may be required 

While searching for the wreckage of a identified aircraft, the Coast Guard encountered severe at sea 

The teacher taught her students to look careful to the left and the right at least three times before crossing the high

Many people have found the monotonous buzzing of the vuvuzela in the 2010 World Cup matches annoyed.

Society will be havingto change radically to keep pace with technology available.

In addition to enhanced their reputations through strategic use of philanthropy, companies are sponsoring social initiatives open new markets.

The knee is more likely to be damage thanther joints because it subject to tremendous forces during vigorous activity.

Because helicopters are capable of hovering in midair, they are particularly useful for rescue missions, military opera, and transportation.