Everyday in summer, but especially at the weekends, all kinds of vehicles bring crowds of people to enjoy various attraction.

With above 20,000 species, the world’s population of ants has continued to increase even as other animal populations have declined.

After George had returned to his house, he was reading book

It has been reported that during twenty-four hour period, a minimal of three hundred North American women start their own businesses.

Malnutrition is a major cause of death in those countries where cultivation of rice have been impeded by recurrent 

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

Because silk is the strongest of all natural fibers, ranking in strong with the synthetic fiber nylon, its look and fell are deceptive .

A pack of wild dogs ………… frightened all the ducks away

A: “May I take this CD to my room, please?” B: “_________________”.

All root vegetables grow underground, and not all vegetables that grow underground roots

A mainframe computer is large and is usually used to operate (a network of ano computers.

Lisa’s been able to play the flute since she was six, ____?

To the men who worked so hard on project, the news was profound disappointing.

Urban consumers have formed co-operatives to provide themselves necessities such groceries, Household appliances, gasoline at a lower cost.

Today successful farmers are experts not only in agriculture, but also market, finance, and accounting.

Near equator , the slant of the Sun’s rays is never great enough cause temperatures to fall below the freezing point.

Internet , definitely causes some in society , however, it surely provides many benefits as well.

After a while, the track we have been following became thick undergrowth

Before the invention of the printing press, books have been printed by hand.

Somehow without my noticing , my wallet had been disappeared.

The most substances expand in volume when they are heated.