It was near end of prehistoric times that the first wheeled vehicles appeared.

Choose the correct answer to complete the sentence. "With clear evidence, his company couldn't deny having _____ a large quantity of toxins into the sea."

Would you show me ................... shortest way to …………. airport 

From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

To remove stains from permanent press clothing, carefully soaking in cold water before washing with a regular detergent.

Are there enough champagne to go round ? Will everybody get a glass?

I wouldn’t have to take this course if my English ____ better. 

The nitrogen makes up over 78 percent of the Earth’s atmosphere, the gaseous mass surrounding the planet.

Others believe that both sides would jump at the chance to resume negotiations without a delay

In The Sociology of Science, now considered a classic, Robert Morton discusses cultural, economy and social forces that contributed to the development of modern science .

Early balloonists remained aloft in the air for relatively short periods .

The health of our children is being ...... by exhaust fumes.

In 1977, Kathleen Battle was hired by the New York Metropolitan Opera, where her became the star soprano

A traveler can reach some of the village along the Amazon only by riverboat.

Depending on many factors, including climate, mineral content of the soil, and the permanency of surface water, wetlands may be mossy, grassy, or covering with shrubs or trees.

Most sand dunes are always in motion as wind pushes sand upward one side of each dune, over the top, and down the other side.

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

Phil can't go to .......... movies tonight because he has to write .......... essay. 

In 1984, the world population rose to over 4.7 billion, up almost 85 million from an estimate made the year ago.

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

If he weren’t too old, he would apply to the job as a reporter. 

Margaret Mead achieved worlduide famous through her studies of child-rearing, personality, and culture