Twenty years ago, David  ......... speak Arabic fluently. Now he's forgotten a lot.

When scientists discovered how soap works, it became possible to do synthc detergents out of Petroleum.

Concorde can fly across the Atlantic without refueling and carrying 11 tons of heigh

The Egyptians first discovered that drying fruit preserved it, made sweeter and improvement its flavor.

A good artist, like a good engineer, learns as much from thei mistakes as from successes

Many Civil War battles were fought Virginia than in any other state

The giant panda eats chiefly mainly bamboo shoots, though it also eats some other plants and occasionally feeds on and small rodents.

Why did all the customers at the Red Lion have to pay pay off their beer that week?

- Mai: You look great in this new dress, An! - _______ An: _______ .

For many years, scientists studying the effects that the sun on human skin.

Some of us have to study thei lessons more careless if we expect to pass this examnatio

The directly sources of fresh water lakes are rain, melted snow and ice.

Although the accurate of the United States census is debated, figures are used to guide countless public funding decide.

Amphibians are a class of animal as that can live and breed neither land or in water.

The refugees are very much upset because have been deprived from their homeland and their families

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

I’m just going to shops ; if anyone rings, tell them I will be back for few minutes.

Mumps area a very common disease which usually affects young children.

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

All of the mammals, dolphins are undoubted among the friendl to human.

It is said that the government is about to make the go ahead to plans for the building of a new runway Londons Gatwick airport.