Somehow without my noticing , my wallet had been disappeared.

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

Unfortunately, much of the early history of Zimbabwe is still unknown, for example, we know a little about early patterns of settlements.

When ctivelyhunting, a dolphin sends out transmitting five signals every second.

With its strong claws and many protruding tooth, a gopher is excellent digger.

Electric motors range in size from the tiny mechanisms that operate sewing machine to the great engines heavy locomotives.

That’s the doctor for ................ Cliff works.

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

Established about 1300, the Acoma Pucblo in New Mexico is believed to be oldest continuously occupied settlement in United States.

The environment can be defined as all living and nonliving items in an area at specify time.

Genetic engineering is helping researchers unravel the mysteries of previously incurable diseases so that they can get to its root causes and find cures

 If I’m tired in evenings, ..................

Early radio was called the “wireless” because radio invisibly waves to carry information

When the sky is blue and the sun is shining, you may say to your friends "____________"

Find the word which has a different sound in the part underlined.

Jim didn’t have a house and a car, for he was jobless for long time

From the airplane, passengers are able to clearly see the outline of the island.

The homes created by  legendary architect Frank Lloyd Wright are still viewed as uniquely, innovative, and valuable.

As a poetry, Nikki Giovanni makes effective use jazz and blues rhythms.

Working hours will fall to under 35 hours a week, _____?

Superior to all others woods for shipbuilding, teak is also used for furniture, flooring, and general construction